Alert archive / Nebraska / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 237, NWS Hastings, NE
NWS Hastings, NE issued this severe thunderstorm warning at Jul 20, 2003, 9:25 PM CDT for Adams County, Webster County, Nebraska. It was in force for 65 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 20, 2003, 9:25 PM CDT (02:25 UTC)
- Expired
- Jul 20, 2003, 10:30 PM CDT
- In force
- 65 min
- Issued by
- NWS Hastings, NE
- Area
- Counties, with a storm outline in the text
Counties Adams County, NE, Webster County, NE
The radar
The Grand Island radar (KUEX), 13 km from the middle of the area, began a volume at 02:29 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 2.4 hours before the alert went out and 209 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 4827 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 1616 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 92 m²/s²
- 0-3 km storm-relative helicity
- 162 m²/s²
- Significant tornado parameter
- 1.4
- Supercell composite
- 28.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KGID 210225 SVRGID NEC001-181-210330- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HASTINGS NE 923 PM CDT SUN JUL 20 2003 THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ADAMS COUNTY IN SOUTH CENTRAL NEBRASKA WEBSTER COUNTY IN SOUTH CENTRAL NEBRASKA * UNTIL 1030 PM CDT * AT 919 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM 7 MILES SOUTHEAST OF HASTINGS TO 5 MILES SOUTH OF JUNIATA...OR FROM 7 MILES SOUTHEAST OF HASTINGS TO 7 MILES SOUTHWEST OF HASTINGS...MOVING SOUTH AT 25 MPH. * SEVERE THUNDERSTORMS WILL BE NEAR... AYR AT 930 PM CDT... BLUE HILL AT 945 PM CDT... BLADEN AT 950 PM CDT... ROSEMONT AT 955 PM CDT... COWLES AT 1010 PM CDT... PEOPLE IN ADAMS AND WEBSTER COUNTIES SHOULD SEEK SHELTER IN A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. THE PRIMARY SEVERE WEATHER THREAT IS STRONG AND DAMAGING WINDS IN EXCESS OF 70 MPH. LARGE HAIL IS ALSO POSSIBLE WITH THE STORMS A TORNADO WATCH IS ALSO IN EFFECT. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO WARNING. THIS WARNING CONTINUES THE WARNING ISSUED EARLIER FOR ADAMS COUNTY. LAT...LON 4068 9870 4000 9871 3999 9830 4068 9829 $$ NNNN EWALD
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Hastings, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 20, 2:00 PM CDT, 7 hours 25 minutes earlier.
Area forecast discussion, Jul 20, 2:00 PM CDT, 7 hours 25 minutes before
SOUTH CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HASTINGS NE 200 PM CDT SUN JUL 20 2003 LOW IN EAST CENTRAL SD WITH FRONT TRAILING SW INTO N CNTRL NE THEN UP THROUGH SWRN SD...WITH SMALL PRE FRONTAL TROUGH JUST OUT AHEAD. NICE LL MINI DRY PUNCH MOVING INTO LL JUICE NEAR CHADRON AREA...WITH FIRST STORM OF DAY ALREADY GOING UP OVR ELEVATED TERRAIN AND WEAKER CAP. ANOTHER LL CONVERGENCE AREA...PROBABLY ASSOCIATED WITH OUTFLOW FROM MORNING STORMS OVR MN AND IA...JUST OVR NERN TO ERN CWA. MID/UPR WAVE AXIS ROUGHLY CUTTING CWA IN HALF FROM NE TO SW. POOR LL SPEED SHEAR...BUT GOOD DIRECTIONAL SHEAR OUT AHEAD...WITH BEST UPR LVL SPEED SHEAR OVR NERN QUAD OF NE. STRONG PREFRONTAL COMPRESSIONAL WARMING AHEAD OF ADVANCING FRONT HAS WARMED TEMPS TO LOW/MID 90S ALREADY...AND WITH 70 DEW PTS OVR ROUGHLY ERN HALF OF NE...HUGE CAPES BETWEEN 4500 AND 5000 IN LOWER LEVELS. ONCE AGAIN A BIT OF A TOUGH FCST. CAPPED OVR OUR CWA RIGHT NOW...WITH MARGINAL LL FORCING NEAR FRONT AND FA SPLIT BETWEEN DECENT UPR DYNAMICS E/NE TO RATHER SLIGHT SW. MOD SOUNDINGS INDICATE MAY BE ABLE TO CONVECT WITHOUT MUCH FORCING...ESPECIALLY NERN CWA. GOING WITH 30 POPS EVERYWHERE FOR TONIGHT...WITH BEST CHC FOR SEVERE ERN PORTION CWA...E OR HWY 281. STRONG DOWNDRAFT WIND POTENTIAL WITH STORMS...MARGINAL HAIL POTENTIAL. IF SFC BASED CONV CAN BREAK THROUGH SOMEWHERE...SOME VERY HEAVY RAIN WITH RELATIVELY SLOW MOVING TSRA...WITH MOTION TO S OR SSE. TOMORROW...ANOTHER INTERESTING DAY OF POSSIBILITIES...WITH GOOD LL FORCING MOVING THROUGH...PUSHED FROM N BY RATHER VIGOROUS SHORTWAVE JUST NOW OVR SWRN MT...DRAGGING MUCH COLDER MID LVL TEMPS OVERHEAD. BETTER HAIL CHANCES MONDAY...AND AGAIN GOING WITH 30 POPS EVERYWHERE FROM MID AFTERNOON ON. BEYOND...WITH STRONG SYSTEM MOVING IN FROM AK GULF...RIDGE CONTINUES TO FLATTEN BY WEEKS END...AND WITH MUCH COOLER OVERHEAD TEMPS MAKING WAY DOWN BACKSIDE OF MID CANADIAN TROUGH...WILL KEEP THINGS QUITE UNSTABLE/ACTIVE OVR WEEKEND IF MDLS CONTINUE TO FOLLOW CURRENT TREND. SO ADDED PERIODS OF LOW CHCS FOR SAT/SUN AND KEPT THU/FRI CHCS. OTHERWISE...ONLY MINOR TWEAKS HERE AND THERE. .GID...NONE. 10
Hazardous weather outlook, Jul 20, 3:05 PM CDT, 6 hours 20 minutes before
KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-211200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HASTINGS NE 305 PM CDT SUN JUL 20 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL NEBRASKA AND PARTS OF NORTH CENTRAL KANSAS. .DAY ONE...THIS AFTERNOON AND TONIGHT A COLD FRONT WILL CONTINUE TO MOVE SOUTH THROUGH NEBRASKA AND NORTHERN KANSAS THIS AFTERNOON AND EVENING WITH THUNDERSTORMS DEVELOPING ALONG THE FRONT. IN ADDITION...AN OUTFLOW BOUNDARY GENERATED FROM A LARGE THUNDERSTORM COMPLEX OVER NORTHERN IOWA MAY MOVE SOUTHWEST INTO THE AREA LATER THIS AFTERNOON HELPING TO KICK OFF ADDITIONAL THUNDERSTORMS. THE REGION HAS BECOME QUITE UNSTABLE THIS AFTERNOON DUE TO VERY WARM SURFACE TEMPERATURES ALONG WITH AMPLE LOW LEVEL MOISTURE. WIND SHEAR IS EXPECTED TO INCREASE ALTHOUGH THE BEST SHEAR SHOULD REMAIN NORTHEAST OF THE REGION. OTHER LIMITING FACTORS FOR STORM DEVELOPMENT INCLUDE WARM MID LEVEL TEMPERATURES AND THE BETTER MID LEVEL ENERGY REMAINING NORTHEAST. HOWEVER WITH THE COMBINATION OF THE FRONT AND A VERY UNSTABLE ATMOSPHERE...SCATTERED THUNDERSTORMS HAD DEVELOPED OVER CENTRAL NEBRASKA. THE STORMS WILL CONTINUE TO MOVE SOUTHEAST WITH THE GREATEST SEVERE WEATHER THREAT BEING LARGE HAIL AND DAMAGING WINDS. THE CHANCE OF SEVERE WEATHER WILL EXIST FOR ALL OF SOUTH CENTRAL NEBRASKA AND NORTH CENTRAL KANSAS FOR THE REMAINDER OF THE AFTERNOON AND EVENING. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY THE CHANCE FOR THUNDERSTORMS EXISTS EARLY TUESDAY MORNING...AND AGAIN DURING FRIDAY INTO SATURDAY MORNING. THE MAIN HAZARD FROM THESE THUNDERSTORMS WILL BE STRONG WINDS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND TONIGHT ACROSS SOUTH CENTRAL NEBRASKA AND NORTH CENTRAL KANSAS. EWALD
In the hours before
Local storm report, Jul 20, 8:48 PM CDT, 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
848 PM CDT SUN JUL 20 2003
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0720 PM 5 NE CLARKS NE 1.75 INCH HAIL
07/20/03 MERRICK REPORTED BY LAW
ENFORCEMENT OFFICIAL.Local storm report, Jul 20, 8:49 PM CDT, 36 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
849 PM CDT SUN JUL 20 2003
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0720 PM ARCHER NE 1.75 INCH HAIL
07/20/03 MERRICK REPORTED BY LAW
ENFORCEMENT OFFICIAL.Local storm report, Jul 20, 9:03 PM CDT, 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
903 PM CDT SUN JUL 20 2003
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0900 PM 2 E PROSSER NE 1 INCH HAIL
07/20/03 ADAMS REPORTED BY EMERGENCY
MANAGEMENT.Special weather statement, Jul 20, 9:10 PM CDT, 15 minutes before
KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-210245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HASTINGS NE 910 PM CDT SUN JUL 20 2003 ...SEVERE THUNDERSTORM WATCH FOR PORTIONS OF SOUTH CENTRAL NEBRASKA AND NORTH CENTRAL KANSAS HAS EXPIRED... SEVERE WATCH NUMBER 775 HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES IN SOUTH CENTRAL NEBRASKA AND NORTH CENTRAL KANSAS... VALLEY...GREELEY...NANCE...SHERMAN...HOWARD...MERRICK...POLK... YORK...HAMILTON...HALL...BUFFALO...DAWSON...GOSPER...PHELPS... KEARNEY...ADAMS...CLAY...FILLMORE...FURNAS...HARLAN...FRANKLIN... WEBSTER...NUCKOLLS...AND THAYER COUNTIES IN NEBRASKA...AND PHILLIPS...ROOKS...SMITH...AND OSBORNE COUNTIES IN KANSAS. THIS WATCH HAS BEEN REPLACED BY TORNADO WATCH 779 UNTIL 200 AM FOR THE FOLLOWING COUNTIES... KEARNEY...ADAMS...CLAY...FILLMORE...FRANKLIN...WEBSTER... NUCKOLLS...THAYER COUNTIES IN SOUTH CENTRAL NEBRASKA...AND SMITH... OSBORNE...JEWELL...AND MITCHELL COUNTIES IN NORTH CENTRAL KANSAS. 10
Local storm report, Jul 20, 9:11 PM CDT, 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
911 PM CDT SUN JUL 20 2003
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0905 PM HASTINGS ARPT NE 70 MPH TSTM GUST
07/20/03 ADAMS EMERGENCY MANAGEMENT
REPORTED THUNDERSTORM
WIND GUSTS 3E HASTINGS.Local storm report, Jul 20, 9:19 PM CDT, 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
919 PM CDT SUN JUL 20 2003
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0918 PM HASTINGS NE .75 INCH HAIL
07/20/03 ADAMS MARION ROAD AT ZION
LUTHERAN CHURCH.
REPORTED BY EMERGENCY
MANAGEMENT.The office that day
Everything else NWS Hastings, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 7:08 PM CDT | Tornado Warning | GID | Howard | 37 min |
| Jul 20, 7:11 PM CDT | Tornado Warning | GID | Hamilton, York | 64 min |
| Jul 20, 7:32 PM CDT | Tornado Warning | GID | Merrick, Polk | 28 min |
| Jul 20, 7:39 PM CDT | Severe Thunderstorm Warning | GID | Hall | 51 min |
| Jul 20, 8:01 PM CDT | Severe Thunderstorm Warning | GID | Merrick | 29 min |
| Jul 20, 8:14 PM CDT | Severe Thunderstorm Warning | GID | Hamilton, York | 61 min |
| Jul 20, 8:26 PM CDT | Severe Thunderstorm Warning | GID | Adams, Hall | 64 min |
| Jul 20, 8:32 PM CDT | Severe Thunderstorm Warning | GID | Clay, Fillmore | 73 min |
| Jul 20, 10:30 PM CDT | Severe Thunderstorm Warning | GID | Webster | 60 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2003Every severe thunderstorm warning in 2003
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.