Alert archive / Nebraska / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 8, NWS Hastings, NE
NWS Hastings, NE issued this severe thunderstorm warning at Apr 29, 1997, 4:36 PM CDT for Dawson County, Nebraska. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 29, 1997, 4:36 PM CDT (21:36 UTC)
- Expired
- Apr 29, 1997, 5:15 PM CDT
- In force
- 39 min
- Issued by
- NWS Hastings, NE
- Area
- Whole counties
County Dawson County, NE
The radar
The Grand Island radar (KUEX), 131 km from the middle of the area, began a volume at 21:38 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 29, 4:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 9.6 hours before the alert went out and 72 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1270 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 149 m²/s²
- 0-3 km storm-relative helicity
- 195 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KGRI 292138 RRA SVRGRI NEC047-292215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HASTINGS NE 436 PM CDT TUE APR 29 1997 THE NATIONAL WEATHER SERVICE IN HASTINGS NE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 515 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL NEBRASKA ...EASTERN HALF OF DAWSON COUNTY ...PERSONS IN LEXINGTON AND EASTERN DAWSON COUNTY SHOULD BE PREPARED FOR A SEVERE THUNDERSTORM WITH LARGE HAIL BY 500 PM... AT 435 PM...A SEVERE THUNDERSTORM WAS 10 MILES WEST OF LEXINGTON MOVING EAST NORTHEAST AT 30 MPH. THIS STORM WILL PASS NEAR AND JUST NORTH OF LEXINGTON BY 500 PM. HAIL UP TO ONE INCH IN DIAMETE R IS POSSIBLE. MOVE INDOORS TO A PLACE OF SHELTER. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER THESE STORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE OR NO ADVANCE WARNING. TAKE COVER NOW. MORITZ/JG
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 Apr 29, 2:45 PM CDT, 1 hour 51 minutes earlier.
Area forecast discussion, Apr 29, 2:45 PM CDT, 1 hour 51 minutes before
CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HASTINGS NE 245 PM CDT TUE APR 29 1997 FORECAST PROBLEMS THIS AFTERNOON ARE SEVERE THUNDERSTORMS THIS EVENING AND WINDS ON WEDNESDAY. 18Z SFC CHART SHOWED THE LOW IN ERN COLO DEEPENING AND A SMALL AREA OF 50+ DEW POINTS POOLING IN NW KS INTO SW NEB. A BOUNDARY EXTENDED FROM SW TO NE NEB. 3MB HEIGHT FALLS INTO NC KS. ALOFT ONE S/W THIS MORNING WAS LOCATED FROM WY SE INTO SW KS AND WAS MOVING TO THE NE. THE MAIN TROF BACK OVER UT/AZ AND WILL BE THE ONE MOVING OUT THIS EVENING WHICH WILL BE THE KICKER FOR STORMS AS IT MOVES QUICKLY WITH A JET MAX. MODELS IN FAIR AGREEMENT PUSHING THE SFC LOW EAST ALONG THE NEB/KS AND IS PROGGED TO BE SRN IA/NRN MO BY 12Z WED. AS THE UPPER S/W AND SFC LOW MOVE EAST ACROSS THE CWA ALL INDICATIONS ARE EVERYTHING WILL COME TOGETHER TO PRODUCE TRW. QPF FROM THE MODELS SHOW THE HEAVIEST RAINFALL AMOUNTS CLOSER TO THE NEB/SD BORDER. SPC HAS COORDINATED AND ARE CONSIDERING WW FOR PTNS OF THE WRN CWA. TRW WILL LIKELY LAST UNTIL AFTER MIDNIGHT AND SHOWERS COULD LINGER INTO THE EARLY HOURS. WED LOOKS TO BE VERY WINDY AT LEAST EARLY AND WITH CAA AND WINDS COLD AIR SC SHOULD FORM. BY EVENING SKIES SHOULD CLEAR AND THURSDAY MOSTLY SUNNY AND WARMING BACK UP. GRI 043/062/035/067 7000 HBR 041/061/035/067 7000 ODX 037/052/032/064 9000 LXN 042/063/034/068 7000 BLT 048/062/038/068 7000 GRIFFITH
In the hours before
Special weather statement, Apr 29, 11:20 AM CDT, 5 hours 16 minutes before
KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-300500- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE HASTINGS NE 1120 AM CDT TUE APR 29 1997 ...SEVERE WEATHER OUTLOOK FOR SOUTH CENTRAL NEBRASKA AND PART OF NORTH CENTRAL KANSAS... SPOTTER ACTION...SPOTTER ACTIVATION MAY BE REQUIRED LATE THIS AFTERNOON AND EVENING. SYNOPSIS... A SURFACE LOW WILL MOVE EAST OUT OF COLORADO THIS AFTERNOON INTO SOUTHWEST NEBRASKA AND NORTHWEST KANSAS. THIS SURFACE FEATURE COMBINED WITH AN UPPER LEVEL DISTURBANCE WILL MOVE ALONG AN OLD QUASISTATIONARY BOUNDARY AND THUNDERTSTORMS ARE EXPECTED TO DEVELOP. THERE IS A SLIGHT RISK THAT SOME OF THE STORMS COULD REACH SEVERE CRITERIA. THE MAIN THREAT THIS EVENING IS LARGE HAIL BUT ISOLATED TORNADOES ARE POSSIBLE ESPECIALLY NEAR THE SURFACE LOW. . THE BEST CHANCE OF SEVERE WEATHER THIS AFTERNOON AND EVENING WILL BE SOUTH OF INTERSTATE 80 AND AFTER 6 PM. GRIFFITH
Nearby
Severe Thunderstorm Warnings in Nebraska, 1997Every severe thunderstorm warning in 1997
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.