Alert archive / Nebraska / Flash Flood Warnings in 2002
Flash Flood Warning 3, NWS North Platte, NE
NWS North Platte, NE issued this flash flood warning at Jul 6, 2002, 8:34 AM MDT for Keith County, Nebraska. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 6, 2002, 8:34 AM MDT (14:34 UTC)
- Expired
- Jul 6, 2002, 2:30 PM MDT
- In force
- 6 hr
- Issued by
- NWS North Platte, NE
- Area
- Counties, with a storm outline in the text
County Keith County, NE
The radar
The North Platte radar (KLNX), 125 km from the middle of the area, began a volume at 14:37 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 2.6 hours before the alert went out and 95 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
- 878 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 613 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -52 m²/s²
- 0-3 km storm-relative helicity
- -32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KLBF 061434 FFWLBF NEC101-062030- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 830 AM MDT SAT JUL 6 2002 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A * FLASH FLOOD WARNING FOR... KEITH COUNTY IN SOUTHWEST NEBRASKA... * UNTIL 230 PM MDT... * AT 816 AM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAINFALL ASSOCIATED WITH THUNDERSTORMS ALONG AND EAST OF A BRULE TO OGALLALA TO KEYSTONE LINE. THESE THUNDERSTORMS WILL CONTINUE TO REFORM OVER THE SOUTHWEST PORTION OF KEITH COUNTY AND MOVE NORTHEAST AT 15 MPH...OVER AREAS WHICH HAVE ALREADY RECEIVED RAINFALL AMOUNTS OVER 6 INCHES. * LOCATIONS IN THE WARNING INCLUDE OGALLALA...BRULE...LEMOYNE... PAXTON...ROSCOE AND SARBEN EVACUATIONS ARE IN PROCESS IN THE VICINITY OF OGALLALA. EMERGENCY MANAGEMENT OFFICIALS HAVE REPORTED THAT NUMEROUS COUNTY ROADS AND BRIDGES HAVE BEEN WASHED OUT. THIS IS A VERY DANGEROUS SITUATION DO NOT TRAVEL ACROSS KEITH COUNTY UNLESS ABSOLUTELY NECESSARY. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. LAT...LON 4137 10203 4102 10201 4103 10129 4138 10130
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 6:33 AM MDT | Flash Flood Warning | LBF | Keith | 117 min |
| Jul 6, 7:15 AM MDT | Flash Flood Warning | LBF | Perkins | 3 hr |
Nearby
Flash Flood Warnings in Nebraska, 2002Every flash flood warning in 2002
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; radar from the NEXRAD Level II archive.