Alert archive / Nebraska / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 236, NWS Hastings, NE
NWS Hastings, NE issued this severe thunderstorm warning at Aug 26, 2002, 8:06 AM CDT for Nance County, Nebraska. It was in force for 39 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 26, 2002, 8:06 AM CDT (13:06 UTC)
- Expired
- Aug 26, 2002, 8:45 AM CDT
- In force
- 39 min
- Issued by
- NWS Hastings, NE
- Area
- Counties, with a storm outline in the text
County Nance County, NE
The radar
The Omaha radar (KOAX), 118 km from the middle of the area, began a volume at 13:08 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, 8:17 AM CDT | Hail 1 | Fullerton, 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.
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 12:00Z, 1.1 hours before the alert went out and 118 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
- 691 J/kg
- Mixed-layer CIN
- -118 J/kg
- Mixed-layer LCL
- 1154 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
104 WUUS53 KGID 261306 SVRGRI NEC125-261345- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HASTINGS NE 805 AM CDT MON AUG 26 2002 THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NANCE COUNTY IN CENTRAL NEBRASKA * UNTIL 845 AM CDT * AT 801 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES WEST OF GENOA...OR ABOUT 24 MILES WEST OF COLUMBUS...MOVING SOUTHEAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... GENOA AT 810 AM CDT PEOPLE IN NANCE COUNTY SHOULD SEEK SHELTER IN A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. LAT...LON 4159 9778 4148 9798 4123 9779 4138 9753 NNNN 09
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, 5 hours 56 minutes earlier.
Area forecast discussion, Aug 26, 2:10 AM CDT, 5 hours 56 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, 2 hours 35 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, 1 hour 14 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
The office that day
Everything else NWS Hastings, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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, 11:28 AM CDT | Severe Thunderstorm Warning | GID | Sherman | 32 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.