Alert archive / Nebraska / Flash Flood Warnings in 1996

Flash Flood Warning 1, NWS North Platte, NE

May 15, 1996Hooker County, McPherson County, Thomas County, Nebraska

NWS North Platte, NE issued this flash flood warning at May 15, 1996, 7:51 PM MDT for Hooker County, McPherson County, Thomas 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: May 15, 1996, 7:51 PM MDT (01:51 UTC)
Expired: May 15, 1996, 11:00 PM MDT
In force: 3 hr
Issued by: NWS North Platte, NE
Area: Whole counties

Counties Hooker County, NE, McPherson County, NE, Thomas County, NE

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.9 hours before the alert went out and 79 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: 3202 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 1788 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 80 m²/s²
0-3 km storm-relative helicity: 162 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 9.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLBF 160152
FFWLBF
NEC091-117-171-160500-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
851 PM CDT (751 PM MDT) WED MAY 15 1996
 
THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A
FLASH FLOOD WARNING   EFFECTIVE UNTIL MIDNIGHT CDT (1100 PM MDT)
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN WEST CENTRAL NEBRASKA
 
   ...HOOKER COUNTY...MCPHERSON COUNTY...THOMAS COUNTY
 
AT 850 PM CDT...RADAR INDICATED A LINE OF NEARLY STATIONARY
THUNDERSTORMS FROM THE SOUTHWEST CORNER OF HOOKER COUNTY...ALONG THE
MCPHERSON COUNTY LINE...ENDING IN NORTHEAST MCPHERSON COUNTY. RADAR
ESTIMATED RAINFALL IS 5 INCHES IN NORTHEAST MCPHERSON COUNTY WITH 3 OR
MORE ALONG THE STORM LINE.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY.  MOVE UP TO ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATHER BEGINS RISING.

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

Local storm report, May 15, 6:26 PM MDT, 1 hour 25 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  NORTH PLATTE NE
725 PM CDT WED MAY 15 1996

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

705( PM     4 MILES N OF OGALLALA     NE   DIME SIZED HAIL
05/15/96   KIETH

BIEKER

Local storm report, May 15, 6:52 PM MDT, 59 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  NORTH PLATTE NE
752 PM CDT WED MAY 15 1996

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

074h5 PM    11E OF DUNNING            NE   1.00 INCH HAIL
05/15/96   BLAINE

MUTCHLER

Local storm report, May 15, 7:42 PM MDT, 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  NORTH PLATTE NE
841 PM CDT WED MAY 15 1996

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0740 PM    10 NE TRYON               NE   GOLFBALL-SIZED HAIL
05/15/96   MCPHERSON

BIEKER

The office that day

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

Issued	Product	Office	Counties	Lasted
May 15, 6:11 PM MDT	Severe Thunderstorm Warning	LBF	Keith	34 min
May 15, 6:13 PM MDT	Severe Thunderstorm Warning	LBF	Blaine	17 min
May 15, 6:27 PM MDT	Severe Thunderstorm Warning	LBF	Blaine	48 min
May 15, 6:35 PM MDT	Severe Thunderstorm Warning	LBF	McPherson, Thomas	55 min
May 15, 6:41 PM MDT	Severe Thunderstorm Warning	LBF	Sheridan	64 min
May 15, 6:58 PM MDT	Severe Thunderstorm Warning	LBF	Brown	47 min
May 15, 7:26 PM MDT	Severe Thunderstorm Warning	LBF	McPherson, Thomas	64 min
May 15, 7:31 PM MDT	Severe Thunderstorm Warning	LBF	Grant, Hooker	59 min
May 15, 7:31 PM MDT	Severe Thunderstorm Warning	LBF	Rock	59 min
May 15, 7:34 PM MDT	Severe Thunderstorm Warning	LBF	Arthur	41 min
May 15, 7:41 PM MDT	Severe Thunderstorm Warning	LBF	Cherry, Sheridan	64 min
May 15, 8:01 PM MDT	Severe Thunderstorm Warning	LBF	McPherson	59 min
May 15, 8:29 PM MDT	Severe Thunderstorm Warning	LBF	Hooker	31 min
May 15, 8:31 PM MDT	Severe Thunderstorm Warning	LBF	Garden	59 min
May 15, 8:40 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	65 min
May 15, 9:00 PM MDT	Severe Thunderstorm Warning	LBF	Arthur, Grant, Hooker, McPherson	60 min
May 15, 9:06 PM MDT	Tornado Warning	LBF	Garden	39 min
May 15, 9:25 PM MDT	Severe Thunderstorm Warning	LBF	Arthur, Grant	65 min
May 15, 9:41 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	64 min
May 15, 10:03 PM MDT	Tornado Warning	LBF	Grant	27 min
May 15, 10:13 PM MDT	Severe Thunderstorm Warning	LBF	Hooker	62 min
May 15, 10:24 PM MDT	Severe Thunderstorm Warning	LBF	Arthur, Grant	66 min
May 15, 10:46 PM MDT	Severe Thunderstorm Warning	LBF	Keith, Lincoln	59 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.