Alert archive / Nebraska / Flash Flood Warnings in 1992

Flash Flood Warning 5, NWS Hastings, NE

August 4, 1992Hamilton County, Nebraska

NWS Hastings, NE issued this flash flood warning at Aug 4, 1992, 8:54 PM CDT for Hamilton 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

County Hamilton County, NE

The nearest sounding before it

Omaha, NE (KOVN), launched 00:00Z, 1.9 hours before the alert went out and 147 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-pSkew-T log-p diagram, Omaha, NE at 00:00Z on 1992-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 00:00Z on 1992-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.

IssuedProductOfficeCountiesLasted
Aug 4, 7:23 PM CDTFlash Flood WarningGIDHoward52 min
Aug 4, 8:07 PM CDTSevere Thunderstorm WarningGIDHoward, Merrick53 min
Aug 4, 8:15 PM CDTSevere Thunderstorm WarningGIDDawson45 min
Aug 4, 8:22 PM CDTSevere Thunderstorm WarningGIDHall, Hamilton53 min
Aug 4, 8:54 PM CDTFlash Flood WarningGIDHall, Howard, Merrick3 hr
Aug 4, 9:06 PM CDTSevere Thunderstorm WarningGIDBuffalo, Kearney, Phelps54 min
Aug 4, 9:55 PM CDTSevere Thunderstorm WarningGIDFranklin, Harlan50 min
Aug 4, 9:58 PM CDTFlash Flood WarningGIDClay, Fillmore4 hr

Nearby

Flash Flood Warnings in Nebraska, 1992Every 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.