Alert archive / Nebraska / Flash Flood Warnings in 1993
Flash Flood Warning 12, NWS North Platte, NE
NWS North Platte, NE issued this flash flood warning at Aug 29, 1993, 8:06 PM CDT for Boone County, Nebraska. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Aug 29, 1993, 8:06 PM CDT (01:06 UTC)
- Expired
- Aug 29, 1993, 11:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
County Boone County, NE
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 1.1 hours before the alert went out and 148 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
- 4054 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 760 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 172 m²/s²
- 0-3 km storm-relative helicity
- 263 m²/s²
- Significant tornado parameter
- 4.0
- Supercell composite
- 22.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KOFK 300111 FFWOFK NEC011-300415- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE NORFOLK NE 806 PM CDT SUN AUG 29 1993 THE NATIONAL WEATHER SERVICE IN NORFOLK HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1115 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHEAST NEBRASKA ...BOONE COUNTY EXTREMELY HEAVY RAIN HAS FALLEN OVER BOONE COUNTY THIS EVENING WITH REPORTS OF EXCESS OF 3 1/2 INCHES IN PETERSBURG. WATER WAS REPORTED OVER HIGHWAY 14 2 MILES SOUTH OF PETERSBURG. WATER WAS ALSO ACROSS COUNTY ROADS WEST OF ALBION. PERSONS ALONG BEAVER CREEK AND ITS TRIBUTARIES CAN EXPECT RAPID RISES DURING THE NEXT SEVERAL HOURS. TO ESCAPE RISING WATER MOVE TO HIGHER GROUND..A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES... DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. BAKER &
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, Aug 29, 7:15 PM CDT, 51 minutes before
NEZ016-017-300100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 715 PM CDT SUN AUG 29 1993 ...STRONG THUNDERSTORMS WILL BE MOVING INTO SOUTHERN RED WILLOW COUNTY BY 725 PM CDT... AT 710 PM CDT RADAR REVEALED AN AREA OF SCATTERED THUNDERSTORMS ACROSS NORTH CENTRAL KANSAS WHICH WERE POISED TO ENTER SOUTHERN RED WILLOW COUNTY. THESE THUNDERSTORMS WERE LOCATED APPROXIMATELY 65 TO 75 MILES SOUTH OF NORTH PLATTE...OR NEAR THE KANSAS BORDER. OTHER THUNDERSTORMS WERE OVER SOUTHERN AND EASTERN SECTIONS OF FRONTIER COUNTY...OR FROM 40 MILES SOUTHEAST TO 45 MILES SOUTH OF NORTH PLATTE. PERSONS NEAR THE TOWN OF DANBURY...WHICH IS LOCATED ABOUT 66 MILES SOUTH SOUTHEAST OF NORTH PLATTE...SHOULD PREPARE FOR THREATENING WEATHER NOW. > MOVEMENT OF THE THUNDERSTORMS WAS TO THE NORTH NORTHEAST AROUND 30 MILES AN HOUR. THE THUNDERSTORMS COULD PRODUCE LARGE HAIL... DAMAGING WINDS...DEADLY BOLTS OF LIGHTNING AND HEAVY R&AINS. SC
Special weather statement, Aug 29, 7:52 PM CDT, 14 minutes before
NEZ007-017-300145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 747 PM CDT SUN AUG 29 1993 ...SCATTERED THUNDERSTORMS CONTINUED OVER PARTS OF SOUTHWEST AND WEST CENTRAL NEBRASKA... AT 745 PM CDT RADAR SHOWED AN AREA OF SCATTERED THUNDERSTORMS OVER PARTS OF SOUTHWEST AND WEST CENTRAL NEBRASKA. MOST OF THE THUNDERSTORMS HAD MOVED INTO CENTRAL NEBRASKA...BUT ONE THUNDERSTORM WITH BRIEF HEAVY RAIN...GUSTY WINDS AND POSSIBLY SMALL HAIL WAS LOCATED JUST NORTH OF DANBURY...OR ABOUT 60 MILES SOUTH SOUTHEAST OF NORTH PLATTE. ANOTHER STRONG THUNDERSTORM WAS ACROSS THE EXTREME SOUTHEAST CORNER OF CUSTER COUNTY...ABOUT 60 MILES TO THE EAST OF NORTH PLATTE OR 10 MILES SOUTH OF MASON CITY. MOVEMENT WAS TO THE NORTHEAST AROUND 25 MILES AN HOUR...AND PERSONS IN THE PATH OF THESE STORMS SHOULD PREPARE FOR HEAVY RAIN...DANGEROUS LIGHTNING...SMALL HAIL AND GUSTY WINDS. A DEPUTY NEAR DANBURY WAS REPORTING NEAR ZERO VISIB ILITY IN EXTREMELY HEAVY RAIN AROUND 745 PM CDT. SC
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 7:30 PM CDT | Severe Thunderstorm Warning | LBF | Cedar, Madison, Pierce | 45 min |
| Aug 29, 7:30 PM CDT | Severe Thunderstorm Warning | LBF | Boone | 45 min |
| Aug 29, 10:00 PM CDT | Flash Flood Warning | LBF | Boone, Madison, Pierce, Wayne | 4 hr |
| Aug 29, 10:00 PM CDT | Flash Flood Warning | LBF | Cedar | 4 hr |
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.