Alert archive / Nebraska / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 8, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at May 7, 1993, 9:21 PM CDT for Colfax County, Cuming County, Nebraska. It was in force for 39 min.
The area
The counties it named.
The facts
- Issued
- May 7, 1993, 9:21 PM CDT (02:21 UTC)
- Expired
- May 7, 1993, 10:00 PM CDT
- In force
- 39 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
Counties Colfax County, NE, Cuming County, NE
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 2.4 hours before the alert went out and 67 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
- 1984 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 835 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 206 m²/s²
- 0-3 km storm-relative helicity
- 280 m²/s²
- Significant tornado parameter
- 2.1
- Supercell composite
- 12.5
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 7, 5:14 PM CDT, 4 hours 7 minutes before
NEZ006-007-012-016-017-072315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 515 PM CDT FRI MAY 7 1993 ...LONE THUNDERSTORM DEVELOPS OVER SOUTHWEST NEBRASKA... AT 510 PM CDT A LONE THUNDERSTORM WAS LOCATED JUST SOUTH OF BENKELMAN OR ABOUT 40 MILES NORTH OF GOODLAND KANSAS. THIS THUNDERSTORM WILL MOVE NORTHEAST AND SHOULD JUST CATCH THE COMMUNITY OF BENKELMAN BEFORE MOVING OUT ONTO OPEN COUNTRY. BRIEF HEAVY RAIN IS LIKELY WITH THIS THUNDERSTORM AS IT MOVES NORTHEAST. OTHER THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS EVENING ACROSS SOUTHWEST AND WEST CENTRAL NEBRASKA WITH THE THUNDERSTORMS MOVING NORTHEAST INTO A MORE MOIST UNSTABLE AIRMASS. RESIDENTS ACROSS SOUTH`WEST AND WEST CENTRAL NEBRASKA SHOULD BE AWARE OF RAPIDLY CHANGING WEATHER CONDITIONS WITH APPROACHING THUNDERSTORMS. MONSON
Special weather statement, May 7, 6:46 PM CDT, 2 hours 35 minutes before
NEZ006-007-012-016-017-080015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 545 PM MDT FRI MAY 7 1993 ...LONE THUNDERSTORM CONTINUES MOVING NORTH ACROSS SOUTHWEST NEBRASKA... AT 535 PM MDT A STRONG THUNDERSTORM WAS LOCATED ABOUT 10 MILES SOUTHEAST OF IMPERIAL OR ABOUT 60 MILES SOUTHWEST OF NORTH PLATTE. THIS THUNDERSTORM HAS INTENSIFIED A LITTLE AND IS LIKELY PRODUCING BRIEF HEAVY RAIN. THIS THUNDERSTORM WILL MOVE JUST TO THE EAST OF IMPERIAL. OTHER THUNDERSTORMS WHICH HAVE BEEN DEVELOPING ACROSS NORTHEAST COLORADO WILL BE MOVING INTO SOUTHWEST NEBRASKA BY 615 PM MDT. THESE THUNDERSTORMS HAVE BEEN MOVING NORTH AT 25 MILES AN HOUR. RESIDENTS ACROSS SOUTHWESTV AND WEST CENTRAL NEBRASKA SHOULD BE AWARE OF RAPIDLY CHANGING WEATHER CONDITIONS WITH THESE APPROACHING THUNDERSTORMS. MONSON
Special weather statement, May 7, 7:47 PM CDT, 1 hour 34 minutes before
NEZ006-007-012-016-017-080145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 648 PM MDT FRI MAY 7 1993 ...THUNDERSTORMS MOVING ACROSS WEST CHASE COUNTY... AT 635 PM MDT A SMALL AREA OF THUNDERSTORMS WAS MOVING NORTHEAST ACROSS WEST CHASE COUNTY. THE AREA OF THUNDERSTORMS WAS ABOUT 15 MILES NORTHWEST OF IMPERIAL TO ABOUT 5 MILES SOUTH OF IMPERIAL. THIS WOULD BE ABOUT 60 MILES SOUTHWEST OF NORTH PLATTE. BRIEF HEAVY RAIN IS POSSIBLE WITH THESE THUNDERSTORMS AS THEY MOVE NORTHEAST. THIS AREA OF THUNDERSTORMS HAS BEEN MOVING NORTHEAST AT 30 MILES AN HOUR. MONSON
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 7:20 PM CDT | Severe Thunderstorm Warning | LBF | Boone | 40 min |
| May 7, 7:26 PM CDT | Severe Thunderstorm Warning | LBF | Antelope, Pierce | 49 min |
| May 7, 10:47 PM CDT | Flash Flood Warning | LBF | Colfax, Stanton | 3 hr |
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.