Alert archive / Nebraska / Flash Flood Warnings in 1992

Flash Flood Warning 4, NWS Hastings, NE

August 4, 1992Hall County, Howard County, Merrick County, Nebraska

NWS Hastings, NE issued this flash flood warning at Aug 4, 1992, 8:54 PM CDT for Hall County, Howard County, Merrick County, Nebraska. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: Aug 4, 1992, 8:54 PM CDT (01:54 UTC)
Expired: Aug 5, 1992, 12:00 AM CDT
In force: 3 hr
Issued by: NWS Hastings, NE
Area: Whole counties

Counties Hall County, NE, Howard County, NE, Merrick County, NE

The nearest sounding before it

Omaha, NE (KOVN), launched 00:00Z, 1.9 hours before the alert went out and 168 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: 1070 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 14 m²/s²
0-3 km storm-relative helicity: 194 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 KGRI 050155
FFWGRI
NEC093-121-079-081-050500-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GRAND ISLAND NE
854 PM CDT TUE AUG 4 1992
 
THE NATIONAL WEATHER SERVICE IN GRAND ISLAND HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL MIDNIGHT CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL NEBRASKA
 
   ...HOWARD COUNTY...WESTERN MERRICK COUNTY
 
IN SOUTH CENTRAL NEBRASKA
 
   ...NORTHEASTERN HALL COUNTY...WESTERN HAMILTON COUNTY
 
THUNDERSTORMS PRODUCING VERY HEAVY RAIN HAD MOVED SOUTHEAST ACROSS
HOWARD COUNTY AND WERE MOVING INTO NORTHEAST HALL...AND WESTERN PORTIONS
OF HAMILTON AND MERRICK COUNTY. THERE HAVE BEEN MANY REPORTS OF OVER 2
INCHES OF RAINFALL FROM STORM THAT PASSED OVER THESE AREAS EARLIER THIS
EVENING. A REPORT OF AN ADDITIONAL 1 1/2 INCHES OF RAIN WAS RECEIVED
FROM ELBA IN NORTHWEST HOWARD COUNTY.
 
SOME RIVERS AND STREAMS THAT THIS WARNING INCLUDES ARE THE TRIBUTARIES
OF THE NORTH AND SOUTH LOUP RIVERS IN HOWARD COUNTY AND THE SILVER AND
PRARIE CREEKS IN NORTHERN HALL...NORTHWEST HAMILTON AND WESTERN MERRICK
COUNTIES.
 
 
A FLASH FLOOD WARNING MEANS THAT FLASH FLOODING IS IMMINENT OR HAS
BEEN REPORTED.  RESIDENTS SHOULD TAKE IMMEDIATE PRECAUTIONS.  DO
NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS BY FOOT OR BY AUTO.

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, Aug 4, 2:59 PM CDT, 5 hours 55 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE GRAND ISLAND NE
300 PM CST TUE AUG 4 1992

230 PM CDT   SCOTIA GREELEY CO      PEA SIZE HAIL
                                    30 TO 35 MPH WINDS
                                    VERY HEAVY RAIN...1.20 INCHS SO FAR.
254 PM CDT   FARWELL
             AND ELBA HOWARD CO     PEA SIZE HAIL
                                    WIND 50 TO 65 MPH
                                    VERY HEAVY RAIN.
BW

Local storm report, Aug 4, 3:42 PM CDT, 5 hours 12 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE GRAND ISLAND NE
335 PM CST TUE AUG 4 1992

305 PM CDT   CAIRO HALL CO           MARBLE SIZE HAIL
                                     HIGH WINDS
332 PM CDT   W GRAND ISLAND/HALL CO  MARBEL SIZE HAIL
                                     VERY HIGH WINDS
                                      VERY HEAVY RAIN.
335 PM CDT   NE GRAND ISLAND        VERY HEAVY RAIN
                                    WINDOWS BROKEN
                                    .90 INCHES OF RAIN IN 09 MINUTES
                                     WATER OVER CURBS.
B

Local storm report, Aug 4, 4:11 PM CDT, 4 hours 43 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE GRAND ISLAND NE
405 PM CST TUE AUG 4 1992

335 PM CDT   W GRAND ISLAND/HALL CO  3/4 INCH HAIL
                                     HIGHWAYS 30/281

340 PM CDT  CAIRO 4E/HALL CO         1.00 INCH OF RAIN IN 10 MINUTES.

350 PM CDT  PHILLIPS 11/2SE/HAMILTON  WIND 30-40 MPH
                                      VISIBILITY NEAR ZERO IN RW+

355 PM CDT  TRUMBULL/CLAY CO         PEA SIZE HAIL
                                     30 TO 40 MPH WIND

328-358 CDT GRAND ISLAND/HALL       1.42 INCHES OF RAIN.

BW

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 4, 7:23 PM CDT	Flash Flood Warning	GID	Howard	52 min
Aug 4, 8:07 PM CDT	Severe Thunderstorm Warning	GID	Howard, Merrick	53 min
Aug 4, 8:15 PM CDT	Severe Thunderstorm Warning	GID	Dawson	45 min
Aug 4, 8:22 PM CDT	Severe Thunderstorm Warning	GID	Hall, Hamilton	53 min
Aug 4, 8:54 PM CDT	Flash Flood Warning	GID	Hamilton	3 hr
Aug 4, 9:06 PM CDT	Severe Thunderstorm Warning	GID	Buffalo, Kearney, Phelps	54 min
Aug 4, 9:55 PM CDT	Severe Thunderstorm Warning	GID	Franklin, Harlan	50 min
Aug 4, 9:58 PM CDT	Flash Flood Warning	GID	Clay, Fillmore	4 hr

Nearby

Flash Flood Warnings in Nebraska, 1992 Every flash flood warning in 1992

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.