Alert archive / Nebraska / Flash Flood Warnings in 1989

Flash Flood Warning 7, NWS Hastings, NE

July 2, 1989Franklin County, Nebraska

NWS Hastings, NE issued this flash flood warning at Jul 2, 1989, 2:49 AM CDT for Franklin County, Nebraska. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: Jul 2, 1989, 2:49 AM CDT (07:49 UTC)
Expired: Jul 2, 1989, 6:00 AM CDT
In force: 3 hr
Issued by: NWS Hastings, NE
Area: Whole counties

County Franklin County, NE

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 7.8 hours before the alert went out and 175 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: 1712 J/kg
Mixed-layer CIN: -165 J/kg
Mixed-layer LCL: 1524 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 14 m²/s²
0-3 km storm-relative helicity: 102 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

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

Special weather statement, Jul 2, 12:49 AM CDT, 2 hours before

SPECIAL WEATHER STATMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE GRAND ISLAND NE
1230 AM CDT SUN JUL 2 1989

AT 1230 AM CDT THHUNDERSTORMS WERE BUILDING RAPIDLY IN WEST CENTRAL
NEBRASKA.

THE STRONGEST STORMS WERE IN A 10 MILE LINE THAT EXTENDED FROM JUST EAST
BURWELL..MASON CITY TO GOTHENBURG TO SOUTH OF NORTH PLATTE. WITH THE
HEAVYIEST STORM FROM LITCHFIELD TO SUMMER..WHICH IS 20 MILES NORTHEAST
OF LEXINGTON.  VERY HEAVY RAIN..HAIL AND STRONG GUSTY WIND ARE POSSIBLE
IN THE THUNDERSTORMS.

MOVEMENT WAS SOUTHEAST AT 30 MPH.
OEB

Special weather statement, Jul 2, 1:22 AM CDT, 1 hour 27 minutes before

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Special weather statement, Jul 2, 1:50 AM CDT, 59 minutes before

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Special weather statement, Jul 2, 2:07 AM CDT, 42 minutes before

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Special weather statement, Jul 2, 2:15 AM CDT, 34 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 2, 1:14 AM CDT	Severe Thunderstorm Warning	GID	Buffalo, Dawson	61 min
Jul 2, 1:44 AM CDT	Severe Thunderstorm Warning	GID	Phelps	61 min
Jul 2, 2:31 AM CDT	Severe Thunderstorm Warning	GID	Franklin	59 min

Nearby

Flash Flood Warnings in Nebraska, 1989 Every flash flood warning in 1989

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.