Alert archive / Nebraska / Flash Flood Warnings in 1993
Flash Flood Warning 4, NWS North Platte, NE
NWS North Platte, NE issued this flash flood warning at May 21, 1993, 10:47 PM CDT for Colfax County, Stanton County, Nebraska. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- May 21, 1993, 10:47 PM CDT (03:47 UTC)
- Expired
- May 22, 1993, 1:45 AM CDT
- In force
- 3 hr
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
Counties Colfax County, NE, Stanton County, NE
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 3.8 hours before the alert went out and 80 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
- 2256 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 141 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 flash flood 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 21, 6:23 PM CDT, 4 hours 24 minutes before
NEZ006-012-016-220020- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 520 PM MDT FRI MAY 21 1993 ...A SEVERE THUNDERSTORM WATCH CONTINUES UNTIL 10 PM MDT FOR PARTS OF SOUTHWEST AND WEST CENTRAL NEBRASKA... AT 512 PM MDT...RADAR REVEALED SCATTERED SHOWERS AND THUNDERSTORMS MEANDERING ACROSS THE NORTHEAST CORNER OF COLORADO. NO PRECIPITATION HAD YET BEEN DETECTED ACROSS SOUTHWEST OR WEST CENTRAL NEBRASKA. A THUNDERSTORM WITH VERY HEAVY RAIN WAS LOCATED ABOUT 70 MILES SOUTHWEST OF IMPERIAL...WITH ANOTHER LOCATED 90 MILES WEST OF NORTH PLATTE. MOVEMENT WAS TO THE EAST AT 25 MILES AN HOUR. WITH THE PRESENT SPEED OF MOVEMENT NO PRECIPITATION IS EXPECTED TO ENTER SOUTHWEST NEBRASKA UNTIL AFTER 600 PM MDT. COMMUNITIES INCLUDED IN THE SEVERE THUNDERSTORM WATCH AREA ARE OGALLALA ...IMPERIAL...GRANT...BENKELMAN...ARTHUR...AND HYANNIS. THIS SEVERE THUNDERSTORM WATCH WILL REMAIN IN EFFECT UNTIL 10 PM MDT. CONDITIONS ARE FAVORABLE ACROSS THE REGION FOR THE DEVELOPMENT OF STRONG OR POSSIBLY SEVERE THUNDERSTORMS. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE LATEST INFORMATION. CARMEL
Special weather statement, May 21, 7:15 PM CDT, 3 hours 32 minutes before
NEZ006-012-016-220120- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 614 PM MDT FRI MAY 21 1993 ...A SEVERE THUNDERSTORM WATCH CONTINUES UNTIL 10 PM MDT FOR PARTS OF SOUTHWEST AND WEST CENTRAL NEBRASKA... AT 610 PM MDT...RADAR SHOWED SCATTERED SHOWERS AND THUNDERSTORMS CONTINUING OVER NORTHEAST COLORADO. NO SIGNIFICANT PRECIPITATION HAD BEEN DETECTED ACROSS SOUTHWEST OR WEST CENTRAL NEBRASKA. A THUNDERSTORM WITH VERY HEAVY RAIN WAS LOCATED ABOUT 40 MILES SOUTHWEST OF IMPERIAL...AND WAS MOVING SOUTHEAST AT 25 MILES AN HOUR. SCATTERED SHOWERS AND THUNDERSTORMS WILL BEGIN MOVING INTO THE SOUTHWEST CORNER OF NEBRASKA BY 635 PM MDT. SOME OF THE THUNDERSTORMS COULD CONTAIN BRIEF HEAVY RAIN...SMALL HAIL...AND GUSTY WINDS. COMMUNITIES INCLUDED IN THE SEVERE THUNDERSTORM WATCH AREA ARE... OGALLALA...IMPERIAL...GRANT...BENKELMAN...ARTHUR...AND HYANNIS. THE SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT THROUGH 10* PM MDT. CONDITIONS WERE STILL FAVORABLE ACROSS THE REGION FOR THE DEVELOPMENT OF STRONG OR POSSIBLY SEVERE THUNDERSTORMS. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE LATEST INFORMATION. CARMEL
Special weather statement, May 21, 8:06 PM CDT, 2 hours 41 minutes before
NEZ006-012-016-220210- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 705 PM MDT FRI MAY 21 1993 ...A SEVERE THUNDERSTORM WATCH CONTINUES UNTIL 10 PM MDT FOR PARTS OF SOUTHWEST AND WEST CENTRAL NEBRASKA... AT 700 PM MDT...RADAR SHOWED SCATTERED SHOWERS AND THUNDERSTORMS WERE DEVELOPING ACROSS THE EXTREME SOUTHWEST CORNER OF NEBRASKA. THE STRONGEST THUNDERSTORM WAS LOCATED ABOUT 25 MILES TO THE WEST NORTHWEST OF BENKELMAN...OR ALONG THE BORDER WITH COLORADO. THIS THUNDERSTORM COULD CONTAIN VERY HEAVY RAIN...SMALL HAIL...AND GUSTY WINDS...AND WAS MOVING EAST AROUND 25 MILES AN HOUR. CONDITIONS WERE RIPE FOR RAPID THUNDERSTORM DEVELOPMENT ACROSS SOUTHWEST NEBRASKA EARLY THIS EVENING. IF THREATENING WEATHER APPROACHES FOLLOW SAFETY RULES AND SEEK SAFE SHELTER. LARGE HAIL...DAMAGING WINDS... DANGEROUS LIGHTNING AND HEAVY RAINFALL ARE POSSIBLE IN THE WATCH AREA. > COMMUNITIES STILL INCLUDED IN THE SEVERE THUNDERSTORM WATCH AREA WERE OGALLALA...IMPERIAL...GRANT...BENKELMAN...ARTHUR...AND HYANNIS. THE SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT THROUGH 10 PM MDT. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE LATEST INFORMATION. CARMELf
Special weather statement, May 21, 9:41 PM CDT, 1 hour 6 minutes before
NEZ006-007-012-016-017-220340- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 840 PM MDT FRI MAY 21 1993 ...THE SEVERE THUNDERSTORM WATCH ISSUED EARLIER FOR PARTS OF SOUTHWEST AND WEST CENTRAL NEBRASKA HAS BEEN CANCELLED... AT 835 PM MDT RADAR SHOWED AN AREA OF SCATTERED SHOWERS AND THUNDERSTORMS CONTINUING ACROSS PARTS OF WESTERN NEBRASKA. THE STRONGEST THUNDERSTORMS WERE LOCATED FROM 46 MILES WEST OF NORTH PLATTE...NEAR KEYSTONE...AND EXTENDED NORTH THROUGH WESTERN ARTHUR AND GRANT COUNTIES. MOVEMENT CONTINUED TO THE EAST AT 25 MILES AN HOUR. OTHER SHOWERS AND A FEW THUNDERSTORMS WERE NOTED OVER SOUTHWEST NEBRASKA. THESE THUNDERSTORMS COULD STILL PRODUCE BRIEF HEAVY RAIN DANGEROUS LIGHTNING AND GUSTY WINDS AS THEY CONTINUE MOVING EAST ACROSS THE REGION. SC
Special weather statement, May 21, 10:17 PM CDT, 30 minutes before
NEZ006-007-012-016-017-220425- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 1015 PM CDT FRI MAY 21 1993 ...SCATTERED THUNDERSTORMS WERE LOCATED OVER WEST CENTRAL AND PARTS OF SOUTHWEST NEBRASKA... AT 1010 PM CDT RADAR DETECTED AN AREA OF SCATTERED SHOWERS AND THUNDERSTORMS OVER PARTS OF WEST CENTRAL AND SOUTHWEST NEBRASKA. THUNDERSTORMS WITH HEAVY RAIN...DANGEROUS LIGHTNING AND GUSTY WINDS WERE LOCATED FROM 50 MILES NORTHWEST OF NORTH PLATTE...OR JUST EAST OF ARTHUR...EXTENDING SOUTH TO 35 MILES WEST NORTHWEST OF NORTH PLATTE ...OR 10 MILES NORTHEAST OF KEYSTONE. MOVEMENT WAS TO THE EAST AROUND 30 MILES AN HOUR. THESE THUNDERSTORMS COULD STILL PRODUCE BRIEF HEnAVY RAIN...DANGEROUS LIGHTNING AND GUSTY WINDS AS THEY CONTINUE MOVING EAST ACROSS THE REGION. SC
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 22, 5:09 PM CDT | Severe Thunderstorm Warning | LBF | Perkins | 36 min |
| May 22, 6:58 PM CDT | Severe Thunderstorm Warning | LBF | Lincoln | 32 min |
Nearby
Flash Flood Warnings in Nebraska, 1993Every flash flood 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.