HPC REQUESTS
HIGH IMPACT WEATHER EVENTS WITH LARGE FORECAST UNCERTAINTY
REQUIRING ADDITIONAL OBSERVATIONS
WSR2000

Subject:
       Reconnaisance Flights
   Date:
       Thu, 13 Jan 2000 08:47:30 -0500
   From:
       Stephen Flood <sflood@ncep.noaa.gov>
    To:
       ztoth@ncep.noaa.gov
 
 
 

Zoltan,
Here are the latest "hot" areas  I  found  using the WEB page you
showed  me yesterday.

VT 0001700  45N/125W,  42N/87W
      0001712   40N/78W
      0001800   37N/72W,  39N/123W
      0001812   40N/85W
      0001900   37N/78W
 
 

ubject:
       Reconaissance Flights
   Date:
       Fri, 14 Jan 2000 13:02:02 -0500
   From:
       Stephen Flood <Stephen.Flood@noaa.gov>
    To:
       zoltan.toth@noaa.gov
 
 
 

Zoltan,

here are the latest "hot spots" for possible reconaissance flights

Priority    VT

 3M     011800     42N/90W  Shortwave leading into psbl e coast snow
 2H      011812     40N/83W  ''
 1H!     011900     37N/72W  psbl E coast snowstorm
 4M      011912     36N/66W  same storm, offshore development
 5M      012000     30N/70W,  42N/125W  rain for Nrn CA, coastal WA/OR
 6M      012112     50N/125W  increasing onshore grads for rain/snow in
pac nw

Hope this helps!

Steve Flood
 
 

Subject:
       Reconaissance Flights
   Date:
       Sat, 15 Jan 2000 09:12:11 -0500
   From:
       Stephen Flood <Stephen.Flood@noaa.gov>
    To:
       Zoltan.toth@noaa.gov
 
 
 

Zoltan,

Here are the latest areas of interest from the 00Z/15 MRF run.

Priority      Valid  time
Areas                                  Remarks

 1H, 3L       011900         35N/73W,  34N/135W  E coast snow,   Nrn CA
rain
 2H, 4L       011912         36N/68W,  33N/135W     same as above
 3M, 4L      012000         38N/63W, 32N/135W      same as above
 4L             012100          37N/95W                         PCPN
centrl plns, lwr ms vly
 4L             012112          35N/92W                         same as
012100
 3M, 3M     012200          35N/87W, 37N/125W     PCPN lwr ms vly, CA
 
 

Subject:
       Reconaissance Flights
   Date:
       Sun, 16 Jan 2000 09:03:46 -0500
   From:
       Stephen Flood <sflood@ncep.noaa.gov>
    To:
       iszunyogh@ncep.noaa.gov
 
 

     Here are the key areas from the 0000UTC  16 Jan 2000 MRF run.

Priority          VT/location              Remarks

High               012100 40N/125W    CA  PCPN
Medium          012100 40N/90W      Psbl midwest snow
High               012112 42N/122W    CA  PCPN
Low                012112 38N/83W     Upper OH vly  snow

Hope this is waht you are looking for...Steve Flood
 
 
 

Subject:
       FLIGHT INFO
   Date:
       Mon, 17 Jan 2000 08:59:02 -0500
   From:
       Robert Oravec <Robert.Oravec@noaa.gov>
    To:
       Zoltan Toth <Zoltan.Toth@noaa.gov>, Istvan Szunyogh <Istvan.Szunyogh@noaa.gov>, Sdm <Sdm@noaa.gov>
 
 
 

Zoltan,

Here is the same info from the other e-mail but with the proper format
you had requested

Med   012000   50N 175E      STRONG LOW AFFECTING ALEUTIANS

MED  012012   50N 180W    STRONG LOW AFFECTING ALEUTIANS

MED  012100   56N 170W   STRONG LOW AFFECTING ALEUTIANS

MED  1  012112   60N 180W   STRONG LOW AFFECTING ALEUTIANS   LOW 2
012112 35N 92W   POSSIBLE EAST COAST SNOW

LOW  012200  35N 88W  POSSIBLE EAST COAST SNOW

LOW  012212  35N 85W  POSSIBLE EAST COAST SNOW

Bob Oravec
 
 

Subject:
       RECON FLIGHTS
   Date:
       Tue, 18 Jan 2000 10:31:40 -0500
   From:
       Michael Schichtel <Michael.Schichtel@noaa.gov>
    To:
       Istvan Szunyogh <Istvan.Szunyogh@noaa.gov>, Zoltan Toth <Zoltan.Toth@noaa.gov>, Sdm <Sdm@noaa.gov>,
       Michael Schichtel <Michael.Schichtel@noaa.gov>
 
 
 

Here are the key areas from the 00 UTC Jan 18th MRF run:

PRIORITY    REL ORDER    VERIF TIME    VERIF REGION       DESCRIPTION

HIGH                   1                 12Z/JAN 21
38N/72W            E COAST SNOW
MODERATE        1                 12Z/JAN 22
42N/65W           NEW ENG SNOW MODERATE        2                 12Z/JAN
23            40N/127W           CA RAINFALL
MODERATE        3                 12Z/JAN 22            30N/95W
DEVELOPING LOW
MODERATE        4                 12Z/JAN 23            35N/90W
EASTERN US SNOW
LOW                    1                 12Z/JAN 22
38N/132W       DEVELOPING SYSTEM
 
 

Subject:
       Reconaissance Priorities
   Date:
       Wed, 19 Jan 2000 09:09:39 -0500
   From:
       Stephen Flood <sflood@ncep.noaa.gov>
    To:
       zoltan.toth@ncep.noaa.gov
 
 
 

Zoltan,

 Here are the latest potential priorities  from the latest run of the
0000 UTC 19 Jan MRF.

Priority          VT      Location       Remarks

Low             012300  30N/87W    Wrn Gulf  Coast Overrrunning
Low             012412  31N/92W     ''
Med             012500  28N/92W     ''
Med             012512  32N/90W     ''
Low             012512  33N/118W   Srn  CA  PCPN
Low             012600  45N/125W   Pac NW PCPN
Low             012600  35N/110W   SW US PCPN
Low             012600  27N/87W    Gulf coast overrunning
 
 

Subject:
       Recon flights
   Date:
       Thu, 20 Jan 2000 09:08:53 -0500
   From:
       Michael Schichtel <Michael.Schichtel@noaa.gov>
    To:
       Zoltan Toth <Zoltan.Toth@noaa.gov>, sdm@noaa.gov, "Szunyogh, Istvan" <wd20is@sgi73.wwb.noaa.gov>, Michael.Schichtel@noaa.gov
 
 
 

Good morning and good snow to you all,

    We have been unable to access the EMC ensemble page this morning.
However..I was able to identify one area of model uncertainty from
comparison of the operational runs of the MRF..ECMWF..and UKMET.

Low Priority...Valid 12 UTC/Jan 24...49N/83W..Great Lakes/NY snow

Good Luck,

Mike
 
 

Subject:
         Re: Winter Storm Reconnaissance 2000
      Date:
         Fri, 21 Jan 2000 09:15:34 -0500
     From:
         Franklin Rosenstein <frosenstein@ncep.noaa.gov>
       To:
         Zoltan Toth <ztoth@ncep.noaa.gov>
 References:
         1
 
 
 

Priority...

High...25N 90W   00z/26 Jan  Possible east coast storm days 5 and 6.

Medium 60N 150W 00z/27  Strong Ak system.

Frank Rosenstein
 
 

Subject:
         Re: WSR2000 Flight request
      Date:
         Sat, 22 Jan 2000 08:44:19 -0500
     From:
         Franklin Rosenstein <frosenstein@ncep.noaa.gov>
       To:
         Zoltan Toth <ztoth@ncep.noaa.gov>
 References:
         1
 
 
 

High Priority  00z/27  25N/80W  potential major east coast snowstorm NC
to New England.

Medium Priority 00z/27  55N/145W Gulf of Ak storm with potential for
very heavy snowfall sern Ak.

Frank Rosenstein
 
 

Subject:
         Re: WSR2000
      Date:
         Sun, 23 Jan 2000 08:44:10 -0500
     From:
         Franklin Rosenstein <frosenstein@ncep.noaa.gov>
       To:
         Zoltan Toth <ztoth@ncep.noaa.gov>, wd20is@sgi73.wwb.noaa.gov
 References:
         1
 
 
 

High Priority 00z/27  35N 72W potential for East coast snowstorm mid
Atlc newd looking more uncertain especially s portion.

Medium priority 00z/27-00z/28 strong Gulf Ak inflow with very heavy snow
potential sern Ak.

Frank Rosenstein
 

Subject:
         Re: WSR2000
      Date:
         Mon, 24 Jan 2000 08:45:17 -0500
     From:
         Franklin Rosenstein <frosenstein@ncep.noaa.gov>
       To:
         Zoltan Toth <ztoth@ncep.noaa.gov>, wd20is@sgi73.wwb.noaa.gov
 References:
         1
 
 
 

Medium priority 00z/28-12z/28  65N 140W  Very heavy snow potential sern
Ak.

Low Priority 00z/28  30N/95W  Texas Gulf coast upslope rainfall.

Frank Rosenstein
 

Subject:
         Re: WSR2000
      Date:
         Tue, 25 Jan 2000 09:02:30 -0500
     From:
         Franklin Rosenstein <frosenstein@ncep.noaa.gov>
       To:
         Zoltan Toth <ztoth@ncep.noaa.gov>, wd20is@sgi73.wwb.noaa.gov
 References:
         1
 
 
 
 
 

> Medium priority 00z/30  50N/130W  Pac Northwest onshore flow event.

  Medium priority 00z/31  40N 130W  Pac Northwest onshore flow event.

  Medium priority 00z/31  30N 90w Gulf coast and sern U.S. ice and snow

  potential.

Frank Rosenstein
 
 

Subject:
         Re: WSR2000
      Date:
         Wed, 26 Jan 2000 08:46:32 -0500
     From:
         Franklin Rosenstein <frosenstein@ncep.noaa.gov>
       To:
         Zoltan Toth <ztoth@ncep.noaa.gov>, wd20is@sgi73.wwb.noaa.gov
 References:
         1
 
 
 

26 Jan 2000

High priority 00z/30 33N 85W large amount of uncertainty with potential
sern U.S. and Gulf Coast ice and snow event.

High priority 00z/31 35N/80W...continuation of above...potential for
major east coast ice and snow event.

Frank Rosenstein

013000    50N    125W nw heavy precip event, medium (less fcst uncertainty)
013100    42N    125W    CA heavy precip event, medium (less fcst uncertainty)
(added after consultation with Frank by ZT)
 
 

Subject:
       Favorable Reconaissance Areas
   Date:
       Thu, 27 Jan 2000 08:59:07 -0500
   From:
       Stephen Flood <Stephen.Flood@noaa.gov>
    To:
       zoltan.toth@noaa.gov
 
 
 

Zoltan,

Here are the latest good reconaisance areas from the 0000 UTC 27 Jan MRF
run.

Priority    VT/Location       Remarks

High        013100 38N/77W  Next E coast snowstorm

Medium  013112  40N/125W  PCPN for Nrn CA

Low        000200  55N/165W  Aleutian  PCPN

Low       020300   50N/125W  Pacific NW  PCPN

Steve  Flood
 
 

Subject:
       January 28th Reconaissance
   Date:
       Fri, 28 Jan 2000 09:18:35 -0500
   From:
       Stephen Flood <Stephen.Flood@noaa.gov>
    To:
       zoltan.toth@noaa.gov, Istvan.Szunyogh@noaa.gov
 
 
 

Zoltan and  Istvan,

Here are the recommended areas for todays  reconaissance flights.

Priority    VT         Location                      Remarks

High       020100      43N/70W             Departing E coast storm

High       020100     37N/124W          CA rain/mountain snow

Low       020200      54N/165W         Aleutian  Storm

Medium  020212     50N/125W        Pacific NW  PCPN

Low        020412    50N/125W        Pacific NW  PCPN
 
 

Subject:
       Reconaissance from 0000UTC 29 Jan 2000
   Date:
       Sat, 29 Jan 2000 09:14:13 -0500
   From:
       Stephen Flood <sflood@ncep.noaa.gov>
    To:
       Istvan.Szunyogh@noaa.gov, zoltan.toth@ncep.noaa.gov
 
 
 

Zoltan and Istvan,

Here are today's    key areas.
 

Priority            VT                Location           Remarks

Medium          020200           45N/125W      Nrn  CA   PAC NW PCPN

Low                020200           55N/165W      Aleutian   Fropa

High               020300            30N/83W        Possible  E Coast
Storm

Medium          020400           40N/110W       Possible  Wrn US snow

Low                020400           53N/168W       Another Aleutian
System

Low                020512           35N/123W      CA  PCPN
 
 

Subject:
       Reconaissance Flights from 0000UTC 30 Jan 2000
   Date:
       Sun, 30 Jan 2000 08:58:15 -0500
   From:
       Stephen Flood <Stephen.Flood@noaa.gov>
    To:
       zoltan.toth@noaa.gov, Istvan.Szunyogh@noaa.gov
 
 
 

Zoltan and Istvan,

I only noted two areas of interest  today for possible flights.

Priority              Verification Time/Location       Remarks

High                   020300 30N/85W                    Storm E  Gulf
coast

Medium              020400 35N/120W                  CA  PCPN
 
 

Subject:
       Reconnaissance
   Date:
       Mon, 31 Jan 2000 08:24:07 -0500
   From:
       Stephen Flood <Stephen.Flood@noaa.gov>
    To:
       zoltan.toth@noaa.gov, Istvan.Sunyogh@noaa.gov
 
 
 

Zoltan and Istvan,

Here are favorable  areas for Reconaissance 2000 from the 0000 UTC 31
Jan run
(only two).

Priority          VT             Location          Remarks

Medium        020412       35N/122W       Psbl Srn CA rain

Low              020412       45N/90W         Psbl Nrn Plains Snow

After that,  things looked pretty quiet.

Steve Flood

Addendum:    After discussions with Steve, we added the following cases:
Low    020300    60n/155w    Precip/heavy wind event over Alaska

Medium    020412    27n/80w    Precip event over Florida
 
 

Subject:
       Reconaissance 2000
   Date:
       Tue, 01 Feb 2000 09:06:59 -0500
   From:
       Stephen Flood <Stephen.Flood@noaa.gov>
    To:
       zoltan.toth@noaa.gov, Istvan.Sunyogh@noaa.gov
 
 
 

Zoltan,

Things look pretty quiet overall the next week but I found 3 Low-to
Medium Priority cases.

Priority           VT             Location               Remarks

Lowest            020300          68N/140W           Alaskan  system
Low                 020500         42N/97W             Nrn Plains Snow
Low-Medium   020600          28N/123W           Srn CA rain

Addendum:
very low    020500    60n/155w    Alaska precip event
very low    020500    27n/82w    FL precip event
ZT
 
 

Subject:
       winter storm recon
   Date:
       Wed, 02 Feb 2000 08:43:53 -0500
   From:
       Franklin Rosenstein <frosenstein@ncep.noaa.gov>
    To:
       ztoth@ncep.noaa.gov, wd20is@sgi73.wwb.noaa.gov
 
 
 

Medium priority  12z 5 Feb  37N 125W...epac shortwave threatening
central Ca coast with hvy rain and possible hier elev snow.

Low...possibly later medium priority 12z 7 Feb 50N 160W...Epac storm
tracking just south of Aleutians.

Frank Rosenstein
 
 

Subject:
       HPC Recon recommendations
   Date:
       Thu, 03 Feb 2000 08:54:35 -0500
   From:
       Michael Schichtel <Michael.Schichtel@noaa.gov>
    To:
       Zoltan Toth <Zoltan.Toth@noaa.gov>, "Szunyogh, Istvan" <wd20is@sgi73.wwb.noaa.gov>, sdm@noaa.gov
 
 
 

Good morning,

The weather pattern has become increasingly quiet for North America.
Accordingly, I have only one requested point.

Medium Priority valid 00 UTC Feb 08 near 35N 125W to cover possible
moderate-heavy precipitation for California.

Thanks,
Mike
 
 

Subject:
       Recon
   Date:
       Fri, 04 Feb 2000 09:03:26 -0500
   From:
       Michael Schichtel <Michael.Schichtel@noaa.gov>
    To:
       Zoltan Toth <Zoltan.Toth@noaa.gov>, sdm@noaa.gov, "Szunyogh, Istvan" <wd20is@sgi73.wwb.noaa.gov>
 
 
 

Hello,

I only have one point for you again today.

Medium Priority valid 12 UTC Feb 08 near 35N 122W to cover possible
moderate precipitation for California.

Mike

Addendum:    Based on PQPF guidance, a possible precipitation event (large uncertainty), around 021000, around 37N, 90W, low priority -ZT
 
 

Subject:
       Recon
   Date:
       Sat, 05 Feb 2000 08:57:44 -0500
   From:
       Michael Schichtel <Michael.Schichtel@noaa.gov>
    To:
       Zoltan Toth <Zoltan.Toth@noaa.gov>, "Szunyogh, Istvan" <wd20is@sgi73.wwb.noaa.gov>, sdm@noaa.gov
 
 
 

Hello,

I only have one point for you again today.

Low priority valid 12 UTC Feb 08 near 35N 120W to cover possible
moderate precipitation for California.

Mike

Addendum:
021100,     42n, 122w, precip event
021100    40n    85w    precip event
021300    42n    122w    heavy precip event
ZT
 

Subject:
       Recon
   Date:
       Sun, 06 Feb 2000 09:05:53 -0500
   From:
       Michael Schichtel <Michael.Schichtel@noaa.gov>
    To:
       Zoltan Toth <Zoltan.Toth@noaa.gov>, "Szunyogh, Istvan" <wd20is@sgi73.wwb.noaa.gov>, sdm@noaa.gov
 
 
 

Hello,

I have two points today.

Low priority valid 12 UTC Feb 08 near 30N 120W to cover possible
moderate precipitation for California.

Low priority valid 00 UTC Feb 12 near 35N 90W to cover possible
E/Central U.S. moderate precipitation.

Mike
 
 

Subject:
       Reconaissance Areas from 0000 UTC Feb 7 2000
   Date:
       Mon, 07 Feb 2000 09:08:23 -0500
   From:
       Stephen Flood <Stephen.Flood@noaa.gov>
    To:
       zoltan.toth@noaa.gov
 
 
 

Zoltan,

Here are todays's key areas. They may look a bit redundant, but you can
vary by as much as a day a flight with the same weather system to
maximize logistics.

Priority            VT             Area               Remarks

High             021112         40N/95W       Central US  system highly
uncertain
                                                                in
medium range models.

High             021212        45N/75W       Same system as above...24
hrs later.

Medium       021300        40N/120W     Broad area of  spread  NOAM W
coast

Medium       021300        50N/135W     Second max within same broad
area

Addendum:
021200    42N    125W    west coast precip event     (low)
021400    42N    97W    possible second low pressure wave affecting eastern US     (low)
ZT
 

Subject:
       EPAC winter recon
   Date:
       Tue, 08 Feb 2000 10:28:38 -0500
   From:
       Franklin Rosenstein <frosenstein@ncep.noaa.gov>
    To:
       ztoth@ncep.noaa.gov, wd20is@sgi73.wwb.noaa.gov
 
 
 

High priority  12z 11 Feb 38N 85W  potential snow and mixed event Oh
valley and Great Lakes region.

High priority 12z 12 Feb 36N 80W potentailsnow or mixed event
northeastern U.S.
 

Very large storm system in nern Pacific centered nr wrn Aleutians will
dominate EPAC  wx for several days but ecmwf/mrf are in good agreement
here for high winds and hvy pcpn srn Ak coast.

Frank Rosenstein

Addendum:
021200    40N    125W    west coast precip    Low
021300    42N    125W    west coast precip    Medium
021312    37N    80W    possible east coast storm    Low
021400    37N    122W    west coast precip    Medium
ZT
 
 

Subject:
       Reconaissance 2000
   Date:
       Wed, 09 Feb 2000 08:37:52 -0500
   From:
       Stephen Flood <Stephen.Flood@noaa.gov>
    To:
       zoltan.toth@noaa.gov
 
 
 

Zoltan,
Here are today's  not-so- spectacular picks for possible flights.
 

Priority          VT          Location          Remarks

Medium        021200     45N/125W      Pac NW   sys

High             011212     40N/80W        Possible New Eng snow

Medium        021412     55N/130W      Next building Arctic  Airmass

Medium        021512     55N/124W      Same  Arctic airmass as above

Low              021612     60N/140W      Alaska PCPN

Addendum:
1300    37n    122w    precip
1400    37n    122w    precip
1500    35n    120w    precip
1500    35n    80w    possible east coast storm
1612    37n    122w    precip, total accumulation on west coast can exceed 5 inches
ZT
 

Subject:
       Reconaissance 2000 10 February
   Date:
       Thu, 10 Feb 2000 09:02:15 -0500
   From:
       Stephen Flood <Stephen.Flood@noaa.gov>
    To:
       zoltan.toth@noaa.gov
 
 
 

Priority                     VT            Location
Remarks

Medium                   021300      37N/75W                  E coast
wave

High                        021412      40N/123W                 CA
PCPN

Low                        021612      50N/95W                   Nrn
Plains Snow

Addendum:
Medium        1500    37N    75W    possible east coast storm
Medium        1500    40N    122W    west coast precip
Low                1600    50N    100W    possible n plain snow
ZT
 
 

Subject:
       Recon
   Date:
       Fri, 11 Feb 2000 09:40:21 -0500
   From:
       Michael Schichtel <Michael.Schichtel@noaa.gov>
    To:
       Zoltan Toth <Zoltan.Toth@noaa.gov>, "Szunyogh, Istvan" <wd20is@sgi73.wwb.noaa.gov>, sdm@noaa.gov
 
 
 

Good Morning,

1) Highest priority valid 12 UTC Feb 14 near 40N 80W for an Eastern US
storm/pcpn event
2) High priority valid 12 UTC Feb 15 near 45N 68W for an North-eastern
US storm/pcpn event
3) Moderate-high priority valid 12 UTC Feb 14 near 45N 124W to cover Pac
NW pcpn event
4) Moderate priority valid 12 UTC Feb 14 near 45N 132W to cover East
Pacific Storm development

Mike

Addendum:
1500    37N    122W    CA precip, moderate
ZT
 

Subject:
       Recon
   Date:
       Sat, 12 Feb 2000 11:13:16 -0500
   From:
       Michael Schichtel <Michael.Schichtel@noaa.gov>
    To:
       Zoltan Toth <Zoltan.Toth@noaa.gov>, "Szunyogh, Istvan" <wd20is@sgi73.wwb.noaa.gov>, sdm@noaa.gov
 
 
 

Hello,

1) Highest priority valid 12 UTC Feb 16 near 35N 125W to cover western
US Storm/Heavy pcpn event
2) High priority valid 12 UTC Feb 17 near 40N 110W to cover w/central US
Storm/heavy pcpn event
3) Moderate-high priority valid 00 UTC Feb 17 near 45N 75W to cover
possible nern U.S. system development
4) Moderate priority valid 12 UTC Feb 15 near 50N 68W for a nern U.S.
winter storm

Mike

Addendum:
Moderate    021500    40N    122W    Heavy precipitation over CA
 
 
 

14 Feb 2000

After consulting with Mike Schichtel, we considered the following cases:

low/moder    021700    37N    120W    west coast precip

moder       021800    37N    95W    plain storm

moder    021900    40N    85W    ne storm
ZT