Alert archive / Nebraska / Tornado Warnings in 1991
Tornado Warning 20, NWS North Platte, NE
NWS North Platte, NE issued this tornado warning at May 30, 1991, 10:53 PM CDT for Garfield County, Loup County, Nebraska. It was in force for 37 min.
The area
The counties it named.
The facts
- Issued
- May 30, 1991, 10:53 PM CDT (03:53 UTC)
- Expired
- May 30, 1991, 11:30 PM CDT
- In force
- 37 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
Counties Garfield County, NE, Loup County, NE
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 3.9 hours before the alert went out and 144 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
- 2074 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 1228 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 106 m²/s²
- 0-3 km storm-relative helicity
- 194 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 9.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KOFK 310353
TOROFK
NEC115-071-310430-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORFOLK NE
1053 PM CDT THU MAY 30 1991
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 1130 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE NORTH CENTRAL PART OF NEBRASKA
LOUP...GARFIELD
AT 1045 PM CDT THERE WERE SPOTTER REPORTS OF TORNADOS JUST SOUTH
OF TAYLOR...NEAR SARGENT...AND JUST SOUTHEAST OF BURWELL.
RADAR INDICATED STRONG THUNDERSTORMS IN THE AREA. THEREFORE...
A TORNADO WARNING HAS BEEN REISSUED FOR THE AREA AROUND BURWELL
AND TAYLOR. PERSONS IN THOSE COMMUNITIES SHOULD TAKE COVER.
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 HOMES...TAKE COVER IN A REINFORCED
BU&ILDING OR GET INTO A DITCH OR CULVERT.
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA UNTIL 2 AM.
DKWhat 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, May 30, 8:57 PM CDT, 1 hour 56 minutes before
NEZ007-310255- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 855 PM CDT THU MAY 30 1991 ...THUNDERSTORMS DEVELOPING ACROSS SOUTHEAST CUSTER COUNTY... LATEST RADAR OBSERVATIONS SHOWED THUNDERSTORMS DEVELOPING RAPIDLY ACROSS NORTHEAST DAWSON COUNTY ABOUT 30 MILES SOUTH OF BROKEN BOW NEBRASKA. THESE THUNDERSTORMS WILL BE MOVING NORTH AT 25 MILES AN HOUR INTO SOUTHERN CUSTER COUNTY. PERSONS IN THE TOWN OF ANSLEY SHOULD PREPARE FOR THUNDERSTORMS WITH VERY HEAVY RAIN...STRONG GUSTY WINDS...LARGE HAIL AND POSSIBLE TORNADOES BY 940 PM CDT. ANOTHER THUNDERSTORM WAS DEVELOPING NEAR THE TOWN OF OCONTO...WHICH IS 40 MILES EAST OF NORTH PLATTE. REMEMBER A TORNADO WATCH REMAIXNS IN EFFECT FOR MUCH OF SOUTHWEST AND WEST CENTRAL NEBRASKA UNTIL 2 AM CDT. SC
Special weather statement, May 30, 9:00 PM CDT, 1 hour 53 minutes before
NEZ007-310255- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 855 PM CDT THU MAY 30 1991 ...THUNDERSTORMS DEVELOPING ACROSS SOUTHEAST CUSTER COUNTY... AT 850 PM CDT...LATEST RADAR OBSERVATIONS SHOWED THUNDERSTORMS DEVELOPING RAPIDLY ACROSS NORTHEAST DAWSON COUNTY ABOUT 30 MILES SOUTH OF BROKEN BOW NEBRASKA. THESE THUNDERSTORMS WILL BE MOVING NORTH AT 25 MILES AN HOUR INTO SOUTHERN CUSTER COUNTY. PERSONS IN THE TOWN OF ANSLEY SHOULD PREPARE FOR THUNDERSTORMS WITH VERY HEAVY RAIN...STRONG GUSTY WINDS...LARGE HAIL AND POSSIBLE TORNADOES BY 940 PM CDT. ANOTHER THUNDERSTORM WAS DEVELOPING NEAR THE TOWN OF OCONTO...WHICH IS 40 MILES EAST OF NORTH PLATTE. REMEMBER A_ TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF SOUTHWEST AND WEST CENTRAL NEBRASKA UNTIL 2 AM CDT. SC
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 9:25 PM CDT | Severe Thunderstorm Warning | LBF | Custer | 65 min |
| May 30, 9:37 PM CDT | Tornado Warning | LBF | Custer | 38 min |
| May 30, 9:45 PM CDT | Severe Thunderstorm Warning | LBF | Garfield, Loup | 60 min |
| May 30, 10:02 PM CDT | Tornado Warning | LBF | Garfield, Loup | 28 min |
| May 30, 10:16 PM CDT | Tornado Warning | LBF | Custer | 29 min |
| May 30, 10:38 PM CDT | Severe Thunderstorm Warning | LBF | Garfield, Holt, Loup | 67 min |
| May 30, 10:50 PM CDT | Tornado Warning | LBF | Custer | 10 min |
| May 30, 11:58 PM CDT | Severe Thunderstorm Warning | LBF | Madison | 32 min |
| May 31, 12:08 AM CDT | Tornado Warning | LBF | Madison, Stanton | 37 min |
| May 31, 12:52 AM CDT | Tornado Warning | LBF | Madison, Stanton | 23 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.