Alert archive / Nebraska / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 9, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at May 22, 1993, 4:09 PM MDT for Perkins County, Nebraska. It was in force for 36 min.
The area
The counties it named.
The facts
- Issued
- May 22, 1993, 4:09 PM MDT (22:09 UTC)
- Expired
- May 22, 1993, 4:45 PM MDT
- In force
- 36 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
County Perkins County, NE
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 10.2 hours before the alert went out and 93 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
- 8 J/kg
- Mixed-layer CIN
- -252 J/kg
- Mixed-layer LCL
- 1111 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 110 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KLBF 222211 RRA SVRLBF NEC135-222245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 509 PM CDT (409 PM MDT) SAT MAY 22 1993 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 545 PM CDT (445 PM MDT) FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHWEST NEBRASKA ...NORTHERN PERKINS COUNTY AT 405 PM MDT RADAR DETECTED A SEVERE THUNDERSTORM LOCATED 5 MILES WEST OF GRANT OR 55 MILES WEST SOUTHWEST OF NORTH PLATTE NEBRASKA. THIS THUNDERSTORM WAS MOVING TO THE EAST NORTHEAST AT 20 MILES AN HOUR... AND WILL BE NEAR OR JUST NORTH OF GRANT AT 415 PM MDT. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. SC
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.
In the hours before
Special weather statement, May 22, 2:11 PM MDT, 1 hour 58 minutes before
NEZ012-016220515- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 210 PM MDT SAT MAY 22 1993 ...TORNADO WATCH EFFECT UNTIL 9 PM MDT FOR PERKINS...CHASE...DUNDY ...HAYES...AND HITCHCOCK COUNTIES IN NEBRASKA... AT 205 PM MDT...RADAR SHOWED SEVERE THUNDERSTORMS OVER SOUTHERN ARTHUR AND WESTERN KEITH COUNTIES IN NEBRASKA...STORMS WERE MOVING EAST NORTHEAST AT 20 MILES AN HOUR. STORMS MAY PRODUCE SMALL HAIL...HEAVY RAINFALL AND S6TRONG WINDS...ALSO STORMS ARE 60 MILES WEST NORTHWEST OF NORTH PLATTE. THUNDERSTORMS COULD STILL PRODUCE BRIEF HEAVY RAIN...GUSTY WINDS AND LIGHTNING. JER
Special weather statement, May 22, 2:13 PM MDT, 1 hour 56 minutes before
NEZ012-016-222135- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 210 PM MDT SAT MAY 22 1993 ...TORNADO WATCH EFFECT UNTIL 9 PM MDT FOR PERKINS...CHASE...DUNDY ...HAYES...AND HITCHCOCK COUNTIES IN NEBRASKA... AT 205 PM MDT...RADAR SHOWED SEVERE THUNDERSTORMS OVER SOUTHERN ARTHUR AND WESTERN KEITH COUNTIES IN NEBRASKA...STORMS WERE MOVING EAST NORTHEAST AT 20 MILES AN HOUR. STORMS MAY PRODUCE SMALL HAIL...HEAVY RAINFALL AND @STRONG WINDS...ALSO STORMS ARE 60 MILES WEST NORTHWEST OF NORTH PLATTE. THUNDERSTORMS COULD STILL PRODUCE BRIEF HEAVY RAIN...GUSTY WINDS AND LIGHTNING. JER
Special weather statement, May 22, 3:38 PM MDT, 31 minutes before
NEZ006-007-012-016-017-222240- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 435 PM CDT SAT MAY 22 1993 ...A TORNADO WATCH REMAINS IN EFFECT UNTIL 9 PM MDT OR 10 PM CDT FOR PARTS OF SOUTHWEST NEBRASKA... AT 425 PM CDT RADAR SHOWED A THUNDERSTORM WITH VERY HEAVY RAIN... ALONG WITH POSSIBLE STRONG GUSTY WINDS AND HAIL LOCATED ABOUT 20 MILES NORTHWEST OF NORTH PLATTE. ANOTHER THUNDERSTORM WITH VERY HEAVY RAIN WAS LOCATED ABOUT 10 MILES NORTH OF SUTHERLAND... WITH YET ANOTHER STRONG THUNDERSTORM IN THE VICINITY OF VENANGO. VENANGO IS LOCATED ABOUT 60 MILES WEST SOUTHWEST OF NORTH PLATTE. OTHER THUNDERSTORMS WERE SCATTERED ACROSS WEST CENTRAL AND SOUTHWEST NEBRASKA...GENERALLY WEST OF A LINE FROM 25 MILES NORTH OF NORTH PLATTE TO 75 MILES SOUTHWEST OF NORTH PLATTE. MOVEMENT WAS TO THE EAST AROUND 20 MILES AN HOUR. > THESE THUNDERSTORMS ARE ALL CAPABLE OF PRODUCING VERY HEAVY RAIN IN A BRIEF PERIOD OF TIME...AS WELL AS DAMAGING WINDS... AND LARGE HAIL. IF SEVERE WEATHER APPROACHES YOUR AREA SEEK SHELTER. SC
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 9:47 PM MDT | Flash Flood Warning | LBF | Colfax, Stanton | 3 hr |
| May 22, 5:58 PM MDT | Severe Thunderstorm Warning | LBF | Lincoln | 32 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 1993Every severe thunderstorm warning in 1993
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.