Alert archive / Nebraska / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 239, NWS Hastings, NE
NWS Hastings, NE issued this severe thunderstorm warning at Aug 26, 2002, 11:28 AM CDT for Sherman County, Nebraska. It was in force for 32 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 26, 2002, 11:28 AM CDT (16:28 UTC)
- Expired
- Aug 26, 2002, 12:00 PM CDT
- In force
- 32 min
- Issued by
- NWS Hastings, NE
- Area
- Whole counties
County Sherman County, NE
The radar
The Grand Island radar (KUEX), 110 km from the middle of the area, began a volume at 16:31 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 26, 11:44 AM CDT | Thunderstorm Wind 52 E | Loup City, NE |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 4.5 hours before the alert went out and 136 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
- 1929 J/kg
- Mixed-layer CIN
- -185 J/kg
- Mixed-layer LCL
- 1191 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 122 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.3
The text
As transmitted, in the capitals the NWS used until 2016.
026 WUUS53 KGID 261628 SVRGRI NEC163-261700- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HASTINGS NE 1128 AM CDT MON AUG 26 2002 THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SHERMAN COUNTY IN CENTRAL NEBRASKA * UNTIL 1200 PM CDT * AT 1126 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 4 MILES SOUTHWEST OF LOUP CITY...OR ABOUT 34 MILES EAST OF BROKEN BOW...MOVING SOUTHEAST AT 20 MPH. SOME LOCATIONS IN THE PATH OF THIS SEVERE STORM INCLUDE ROCKVILLE. PEOPLE IN SHERMAN COUNTY SHOULD SEEK SHELTER IN A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. THE PRIMARY SEVERE WEATHER THREAT IS LARGE HAIL THE SIZE OF DIMES. NNNN
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 Aug 26, 2:10 AM CDT, 9 hours 18 minutes earlier.
Area forecast discussion, Aug 26, 2:10 AM CDT, 9 hours 18 minutes before
SOUTH CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HASTINGS NE 210 AM CDT MON AUG 26 2002 MAIN FORECAST CHALLENGE THIS TIME IS WHEN/WHERE/IF THUNDERSTORMS WILL CROSS GID CWA. 00Z UA ANALYSES HAD NEB ON NORTHEASTERN EDGE OF SW U.S. RIDGING. SFC ANALYSIS HAS EXTREMELY WEAK GRADIENT WITH WEAK RIDGING FROM OH VALLEY TO SE COLORADO. MODELS IN GENERAL AGREEMENT LEAVING WEAK SFC PATTERN ACROSS NEB/KS. WITH NO BOUNDARIES AND NO NOCTURNAL LOW LEVEL JET, WILL NEED UPPER LEVEL DYNAMICS TO PRODUCE LIFT. UPPER LOW EXPECTED TO DEVELOP OVER WESTERN STATES AND TURN FLOW TOWARD THE WSW INTO NEB. SWRN STATES RIDGE REMAINS IN PLACE, THOUGH. SO TIMING OF FEATURES APPEARS DIFFICULT. TONIGHT LOOKS LIKE A REPEAT OF SUN NIGHT WITH TSTMS STAYING WELL N OF GID CWA. WITH UPPER FLOW SHIFTING A LITTLE SOUTHWEST AND SOME WEAK DIFFLUENCE OVER GID CWA, WILL CARRY MINOR POPS TUE NIGHT AND WED NIGHT. EXTENDED MODELS SEND NO MAJOR FEATURES ACROSS THE CENTRAL STATES THURSDAY THROUGH SUNDAY. ONE MINOR WAVE SHOWN ON CANADIAN AND MRF MAY BE ENOUGH TO PRODUCE SOME TSTMS FRIDAY. TSTMS CANNOT BE RULED OUT ENTIRELY ANY DAY...ESPECIALLY DURING THE NIGHTTIME HOURS. .GID...NONE. SCHURR
In the hours before
Special weather statement, Aug 26, 5:31 AM CDT, 5 hours 57 minutes before
KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-271200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HASTINGS NE 531 AM CDT MON AUG 26 2002 ...SPOTTER ACTIVATION WILL NOT BE REQUIRED TODAY OR TONIGHT... WEAK HIGH PRESSURE AT THE SURFACE AND ALOFT IS FORECAST TO HOLD STEADY ACROSS NEBRASKA AND KANSAS. IT SHOULD PREVENT THUNDERSTORMS FROM DEVELOPING OVER SOUTH CENTRAL NEBRASKA AND NORTH CENTRAL KANSAS TODAY AND TONIGHT. STORMS MAY TRACK ACROSS EASTERN NEBRASKA AND IOWA THIS MORNING...AND ANOTHER ROUND MAY TAKE SHAPE OVER SOUTH DAKOTA AND FOLLOW A SIMILAR SOUTHEASTERLY PATH TONIGHT. A GREATER CHANCE FOR SEVERE WEATHER IS FORECAST IN THE HIGH PLAINS THIS AFTERNOON AND EVENING. WHILE THE ATMOSPHERE APPEARS TOO STABLE TO YIELD THUNDERSTORMS THROUGH TONIGHT...IT WILL GRADUALLY BECOME MORE FAVORABLE FOR PRODUCING STORMS AS THE WEEK PROGRESSES. SCHURR
Special weather statement, Aug 26, 6:52 AM CDT, 4 hours 36 minutes before
KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-271200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HASTINGS NE 652 AM CDT MON AUG 26 2002 ...SPOTTER ACTIVATION SHOULD NOT BE REQUIRED TODAY OR TONIGHT... SCATTERED THUNDERSTORMS WILL MOVE SOUTH ACROSS CENTRAL NEBRASKA THIS MORNING...AND AFFECT AREAS GENERALLY NORTH OF INTERSTATE 80. HAIL TO ONE INCH IN DIAMETER IS THE PRIMARY CONCERN FROM THE STORMS...ALTHOUGH WIND GUSTS TO 40 MPH IS ALSO POSSIBLE. WIDESPREAD SEVERE WEATHER IS NOT EXPECTED...THEREFORE SPOTTERS SHOULD NOT BE NEEDED. THUNDERSTORMS WILL MOVE OUT OF CENTRAL NEBRASKA BY THIS AFTERNOON... AND WEAK HIGH PRESSURE AT THE SURFACE AND ALOFT IS FORECAST TO HOLD STEADY ACROSS NEBRASKA AND KANSAS. IT SHOULD PREVENT THUNDERSTORMS FROM DEVELOPING OVER SOUTH CENTRAL NEBRASKA AND NORTH CENTRAL KANSAS INTO TONIGHT. THE ATMOSPHERE WILL GRADUALLY BECOME MORE FAVORABLE FOR PRODUCING ADDITIONAL STORMS AS THE WEEK PROGRESSES. CMF
Local storm report, Aug 26, 9:06 AM CDT, 2 hours 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
906 AM CDT MON AUG 26 2002
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0817 AM 8 NE FULLERTON NE 1 INCH HAIL
08/26/02 NANCE REPORTED BY LAW
ENFORCEMENT OFFICIAL.Special weather statement, Aug 26, 11:04 AM CDT, 24 minutes before
KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-271200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HASTINGS NE 1104 AM CDT MON AUG 26 2002 ...SPOTTER ACTIVATION SHOULD NOT BE REQUIRED TODAY OR TONIGHT... WEAK HIGH PRESSURE AT THE SURFACE AND ALOFT IS EXPECTED TO HOLD STEADY ACROSS NEBRASKA AND KANSAS. IT SHOULD PREVENT THUNDERSTORMS FROM DEVELOPING OVER SOUTH CENTRAL NEBRASKA AND NORTH CENTRAL KANSAS THROUGH THE OVERNIGHT HOURS. DEE
The office that day
Everything else NWS Hastings, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 26, 8:06 AM CDT | Severe Thunderstorm Warning | GID | Nance | 39 min |
| Aug 26, 8:25 AM CDT | Severe Thunderstorm Warning | GID | Merrick | 65 min |
| Aug 26, 9:24 AM CDT | Severe Thunderstorm Warning | GID | Howard | 66 min |
| Aug 26, 11:40 AM CDT | Severe Thunderstorm Warning | GID | Buffalo | 50 min |
| Aug 26, 11:54 AM CDT | Severe Thunderstorm Warning | GID | Hall | 51 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2002Every severe thunderstorm warning in 2002
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.