Alert archive / Nebraska / Tornado Warnings in 1991
Tornado Warning 41, NWS North Platte, NE
NWS North Platte, NE issued this tornado warning at Sep 12, 1991, 7:50 AM CDT for Garfield County, Nebraska. It was in force for 25 min.
The area
The counties it named.
The facts
- Issued
- Sep 12, 1991, 7:50 AM CDT (12:50 UTC)
- Expired
- Sep 12, 1991, 8:15 AM CDT
- In force
- 25 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
County Garfield County, NE
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 0.8 hours before the alert went out and 160 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
- 264 J/kg
- Mixed-layer CIN
- -192 J/kg
- Mixed-layer LCL
- 915 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 94 m²/s²
- 0-3 km storm-relative helicity
- 172 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.5
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KOFK 121250
TOROFK
NEC071-121315-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORFOLK NE
750 AM CDT THU SEP 12 1991
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 815 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY
IN THE NORTH CENTRAL PART OF NEBRASKA
GARFIELD
AT 745 AM CDT RADAR INDICATED A POSSIBLE TORNADO ABOUT 5 MILES EAST
OF BURWELL MOVING TO THE NORTHEAST AT 30 MPH.
THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY. IF YOU ARE IN
THE PATH OF THIS TORNADO TAKE SHELTER BELOW GROUND IF POSSIBLE.
OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR. AVOID
WINDOWS. ABANDON CARS AND MOBILE HOM[ES...TAKE COVER IN A REINFORCED
BUILDING OR GET INTO A DITCH OR CULVERT.
VA 1249ZWhat forecasters said that day
The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Sep 12, 2:27 AM CDT, 5 hours 23 minutes before
NEZ006-012-016-120830- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 230 AM CDT THU SEP 12 1991 AT 230 AM CDT...AN AREA OF SHOWERS AND THUNDERSTORMS WERE MOVING OUT OF THE PANHANDLE OF NEBRASKA AND NORTHEAST COLORADO INTO WESTERN PERKINS AND KEITH COUNTIES. THE STRONGEST THUNDERSTORMS WERE NEAR VENANGO IN PERKINS COUNTY OR 65 MILES WEST SOUTHWEST OF NORTH PLATTE. OTHER STRONG THUNDERSTORMS 10 WEST OF OGALLALA TO 10 MILES SOUTHWEST OF BRULE OR 60 MILES WEST OF NORTH PLATTE. THESE STORMS WERE MOVING NORTHEAST AT 20 MPH. PERSONS IN THE PATH OF THE THUNDERSTORMS CAN EXPECT BRIEF PERIODS OF HEAVY RAIN..HAIL...ALONG WITH STRONG GUSTY WINDS AND DANGEROUS LIGHTNING. ACHX
Special weather statement, Sep 12, 3:21 AM CDT, 4 hours 29 minutes before
NEZ006-012-016-120930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 315 AM CDT THU SEP 12 1991 AT 315 AM CDT OR 215 AM MDT...AN AREA OF THUNDERSTORMS WERE MOVING ACROSS PERKINS AND KEITH COUNTIES. THE STRONGEST THUNDERSTORM WERE NEAR KEYSTONE OR 41 MILES WEST OF NORTH PLATTE. OTHER STRONG THUNDERSTORMS WERE 10 MILES SOUTHWEST OF PAXTON OR 31 WEST OF NORTH PLATTE. ANOTHER 10 MILES NORTHEAST OF GRANT IN PERKINS COUNTY OR 49 MILES WEST SOUTHWEST OF NORTH PLATTE. REPORT FROM OGALLALA AT 210 AM MDT OF MODERATE RAIN..PEA SIZE HAIL AND GUSTY WINDS TO 44 MPH FROM THE NORTHWEST. THESE STORMS WERE MOVING NORTHEAST AT 20 MPH. PERSONS IN THE PATH OF THE THUNDERSTORMS CAN EXPECT BRIEF PERIODS OF HEAVY RAIN..HAIL...ALONG WITH STRONG GUSTY WINDS AND DANGEROUS LIGHTNING. ACH
Special weather statement, Sep 12, 4:14 AM CDT, 3 hours 36 minutes before
NEZ006-012-016-121015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 415 AM CDT THU SEP 12 1991 AT 415 AM CDT...AN AREA OF THUNDERSTORMS WERE MOVING OVER THE NORTHWEST PORTIONS OF LINCOLN COUNTY JUST WEST OF NORTH PLATTE WITH THE STRONGEST STORM WAS IN THE HERSHEY AREA OR 14 MILES WEST OF NORTH PLATTE. THE AREA OF THUNDERSTORMS EXTEND INTO WESTERN MCPHERSON COUNTRY TO GRANT COUNTY NEAR THE CITIES OF HYANNIS AND ASHBY IN GRANT iCOUNTY OR 70 MILES NORTHWEST OF NORTH PLATTE. THESE STORMS WERE MOVING NORTHEAST AT 20 MPH. PERSONS IN THE PATH OF THE THUNDERSTORMS CAN EXPECT BRIEF PERIODS OF HEAVY RAIN..HAIL...ALONG WITH STRONG GUSTY WINDS AND DANGEROUS LIGHTNING. ACH
Special weather statement, Sep 12, 5:20 AM CDT, 2 hours 30 minutes before
NEZ006-012-016-121115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 515 AM CDT THU SEP 12 1991 AT 515 AM CDT...AN AREA OF THUNDERSTORMS WERE MOVING OVER THE NORTHEAST PORTIONS OF
Special weather statement, Sep 12, 6:13 AM CDT, 1 hour 37 minutes before
NEZ006-007-121230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 615 AM CDT THU SEP 12 1991 AT 615 AM CDT...AN AREA OF THUNDERSTORMS WERE MOVING OVER WESTERN CUSTER COUNTY WITH A STRONG THUNDERSTORMS 15 MILES SOUTHWEST OF CALLAWAY AND ANOTHER STRONG THUNDERSTORM 10 WEST OF ANSELMO OR 25 MILES EAST NORTHEAST TO 40 MILES NORTHEAST OF NORTH PLATTE. ANOTHER THUNDERSTORMS WAS OVER THEDFORD IN THOMAS COUNTY OR 50 MILES NORTH PLATTE. THESE STORMS WERE MOVING NORTHEAST AT 25 MPH. PERSONS IN THE PATH OF THE THUNDERSTORMS CAN EXPECT BRIEF PERIODS OF HEAVY RAIN..HAIL...ALONG WITH STRONG GUSTY WINDS AND DANGEROUS LIGHTNING. ACH
Special weather statement, Sep 12, 7:19 AM CDT, 31 minutes before
NEZ007-111220- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 720 AM CDT THU SEP 11 1991 ...STRONG THUNDERSTORMS IN NORTH CENTRAL NEBRASKA... AT 715 AM CDT...RADAR SHOWED AN AREA OF THUNDERSTORMS WITH VERY HEAVY RAIN AND SMALL HAIL FROM ANSLEY TO SARGENT...OR FROM 60 MILES EAST TO 65 MILES NORTHEAST OF NORTH PLATTE. THE STRONGEST STORM WAS LOCATED 5 MILES WEST OF SARGENT OR 65 MILES NORTHEAST OF NORTH PLATTE. THE STORMS WERE MOVING NORTHEAST AT 30 MPH. THESE STORMS WILL BE MOVING THROUGH EASTERN CUSTER COUNTY DURING THE NEXT HOUR. PERSONS IN SARGENT...COMSTOCK...AND ANSLEY CAN EXPECT SMALL HAIL...VERY HEAVY RAIN...GUSTY WINDS AND DANGEROUS LIGHTNING TO ACCOMPANY THESE STORMS. WALAWENDER
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 12, 8:12 AM CDT | Severe Thunderstorm Warning | LBF | Wheeler | 33 min |
| Sep 12, 4:35 PM CDT | Severe Thunderstorm Warning | LBF | Garfield | 55 min |
| Sep 12, 6:24 PM CDT | Severe Thunderstorm Warning | LBF | Antelope | 46 min |
| Sep 12, 6:24 PM CDT | Severe Thunderstorm Warning | LBF | Boone | 66 min |
Nearby
Tornado Warnings in Nebraska, 1991Every tornado warning in 1991Tornadoes in 1991
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.