Alert archive / Nebraska / Flash Flood Warnings in 1996

Flash Flood Warning 3, NWS North Platte, NE

August 15, 1996Sheridan County, Nebraska

NWS North Platte, NE issued this flash flood warning at Aug 15, 1996, 4:23 PM MDT for Sheridan County, Nebraska. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 15, 1996, 4:23 PM MDT (22:23 UTC)
Expired: Aug 15, 1996, 7:20 PM MDT
In force: 3 hr
Issued by: NWS North Platte, NE
Area: Whole counties

County Sheridan County, NE

The radar

The North Platte radar (KLNX), 163 km from the middle of the area, began a volume at 22:27 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

Rapid City, SD (KUNR), launched 12:00Z, 10.4 hours before the alert went out and 178 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1918 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 64 m²/s²
0-3 km storm-relative helicity: 158 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KLBF 152224
FFWLBF
NEC161-160120-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
523 PM CDT (423 PM MDT) THU AUG 15 1996

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE NE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 720 PM MDT (820 PM CDT)
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN THE PANHANDLE OF NEBRASKA

   ...NORTHERN SHERIDAN COUNTY
 
AT 520 PM CDT...NORTH PLATTE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM WITH VERY HEAVY RAIN CENTERED 3 MILES NORTH OF
RUSHVILLE OR 25 MILES EAST SOUTHEAST OF CHADRON DRIFTING EAST AT 5
MILES AN HOUR. RADAR ESTIMATED RAINFALL WAS 4 INCHES AS OF 515 PM
CDT. THE SHERIFF'S DEPARTMENT REPORTS 100 YARDS OF COUNTY ROAD 1 1/2
MILES NORTH OF RUSHVILLE WAS COVERED WITH WATER. PLEASE EXERCISE
CAUTION AS THE VERY HEAVY RAIN SHOULD CONTINUE THROUGH 630 PM CDT.

 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE 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.

SP/FS

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 15, 10:31 AM MDT, 5 hours 52 minutes before

NEZ004>010-022>029-035>038-056>059-069>071-161200-

SEVERE WEATHER OUTLOOK FOR WESTERN AND NORTH CENTRAL NEBRASKA
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1130 AM CDT (1030 AM MDT) THU AUG 15 1996

THIS OUTLOOK PERTAINS TO THE FOLLOWING NEBRASKA COUNTIES...

ARTHUR     BLAINE     BOYD       BROWN      CHASE      CHERRY
CUSTER     DEUEL      FRONTIER   GARDEN     GARFIELD   GRANT
HAYES      HOLT       HOOKER     KEITH      KEYA PAHA  LINCOLN
LOGAN      LOUP       MCPHERSON  PERKINS    ROCK       SHERIDAN
THOMAS     WHEELER

...STORM SPOTTER ACTIVATION MAY BE REQUIRED OVER WESTERN AND
PARTS OF NORTH CENTRAL NEBRASKA TODAY AND TONIGHT...

THERE IS A SLIGHT CHANCE FOR SEVERE THUNDERSTORMS TO DEVELOP TODAY AND
TONIGHT OVER THE OUTLOOK AREA. THE GREATEST RISK OF SEVERE THUNDERSTORM
DEVELOPMENT WILL BE WEST OF A LINE FROM VALENTINE TO BROKEN BOW.
A SLOW MOVING FRONT IN WESTERN NEBRASKA WILL HELP TO FOCUS ABUNDANT
MOISTURE TO PRODUCE SCATTERED THUNDERSTORMS TODAY AND TONIGHT. WITH
AFTERNOON HEATING THE ATMOSPHERE WILL BECOME MORE UNSTABLE CAUSING
THUNDERSTORMS TO APPROACH SEVERE LIMITS. UPPER LEVEL DISTURBANCES
MOVING SOUTHEAST ACROSS THE OUTLOOK AREA WILL HELP TO INTENSIFY THE
THUND4ERSTORMS SO THAT A FEW OF THESE STORMS WILL BECOME SEVERE ACROSS
WESTERN NEBRASKA AND PARTS OF NORTHCENTRAL NEBRASKA.

FS

The office that day

Everything else NWS North Platte, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 15, 6:53 AM MDT	Severe Thunderstorm Warning	LBF	Sheridan	47 min
Aug 15, 7:09 AM MDT	Severe Thunderstorm Warning	LBF	Garden	61 min
Aug 15, 8:03 AM MDT	Severe Thunderstorm Warning	LBF	Grant	62 min
Aug 15, 4:09 PM MDT	Severe Thunderstorm Warning	LBF	Sheridan	61 min
Aug 15, 5:19 PM MDT	Severe Thunderstorm Warning	LBF	Garden, Sheridan	61 min
Aug 15, 5:52 PM MDT	Severe Thunderstorm Warning	LBF	Sheridan	63 min

Nearby

Flash Flood Warnings in Nebraska, 1996 Every flash flood warning in 1996

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.