Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 37, NWS Hastings, NE

July 25, 1990Hamilton County, York County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jul 25, 1990, 5:58 PM CDT for Hamilton County, York County, Nebraska. It was in force for 62 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 25, 1990, 5:58 PM CDT (22:58 UTC)
Expired
Jul 25, 1990, 7:00 PM CDT
In force
62 min
Issued by
NWS Hastings, NE
Area
Whole counties

Counties Hamilton County, NE, York County, NE

The radar

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

What was reported inside it

TimeReportWhereRemark
Jul 25, 6:00 PM CDTHail 1Hamilton, NE
Jul 25, 6:45 PM CDTThunderstorm Wind 52York, NE

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 11.0 hours before the alert went out and 130 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 12:00Z on 1990-07-25Temperature 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 12:00Z on 1990-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 255 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
3625 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
255 m²/s²
0-3 km storm-relative helicity
314 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 severe thunderstorm 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 25, 12:36 PM CDT, 5 hours 22 minutes before
NEZ018-019>-251700-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE GRAND ISLAND NE
1230 PM CDT WED JUL 25 1990

FLASH FLOOD WARNING FOR THE EASTERN HALF OF CLAY AND THE NORTHWEST HALF
OF FILLMORE COUNTIES IN SOUTH CENTRAL NEBRASKA UNTIL 3 PM CDT.

A STORM SPOTTER REPORTS IN EXCESS OF 4 INCHES OF RAIN IN AND AROUND SUTTON
IN EASTERN CLAY COUNTY SINCE 8 AM CDT THIS MORNING.

AND AT 12 30 PM INTENSE THUNDERSTORMS CONTINUED IN THE SUTTON AREA AND
PARTS OF NORTHWEST FILLMORE AND SOUTHWEST YORK COUNTIES OF SOUTH CENTRAL
NEBRASKA. THESE THUNDERSTORMS WERE PART OF A LARGE AREA OF RAINSHOWERS
AND THUNDERSTORMS THAT COVERED MUCH OF CENTRAL AND EASTERN NEBRASKA.

THE HEAVIEST THUNDERSTORMS WERE LOCATED NEAR SUTTON...10 MILES NORTHEAST
OF LINCOLN AND FROM THE FREMONT AREA NORTHEAST TO MONDAMIN IOWA.

MOVEMENT WAS NORTH NORTHEAST AT 20 MPH.

STOKES
Special weather statement, Jul 25, 3:45 PM CDT, 2 hours 13 minutes before
NEZ018-019>-014>-252130-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE GRAND ISLAND NE
330 PM CDT WED JUL 25 1990

...SEVERE THUNDERSTORM WATCH FOR CENTRAL NEBRASKA UNTIL 9PM CDT...

AT 330 POM CDT SHOWERS AND THUNDERSTORMS COVERED MUCH OF CENTRAL AND
EAST CENTRAL NEBRASKA.  THE AREA WAS NORTH OF A LINE FROM 30 MILES
SOUTHEAST OF GRAND ISLAND TO NEBRASKA CITY...30 MILES SOUTH OF OMAHA.
THE SHOWERS EXTENDED NORTH TO THE MISSOURI RIVER 40 MILES NORTHEAST OF
ONEILL NEBRASKA.
THE STRONGEST THUNDERSTORMS WERE IN AN AREA 30 MILES WIDE FROM 30 MILES
SOUTHEAST OF GRAND ISLAND TO LINCOLN TO 10 MILES SOUTH OF OMAHA.

SCATTERED SHOWERS WERE OVER SOUTHWEST TO NORTH CENTRAL NEBRASKA...IN AN
AREA 20 MILES WIDE FROM MCCOOK TO 30 MILES NORTH OF AINSWORTH.

VERY STRONG THUNDERSTORMS WAS IN AN AREA 50 MILES IN DIAMETER FROM THE
NEBRASKA STATELINE...30 MILES SOUTH OF HOLDREGE...TO HILLS CITY KANSAS.
ALL OF THE SHOWERS AND THUNDERSTORMS WERE MOVING TO THE NORTH
NORTHEAST AT 30 MPH...INCREASING IN INTENSITY AND COVERAGE.

BW

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 25, 11:54 AM CDTFlash Flood WarningGIDClay, Fillmore3 hr
Jul 25, 4:14 PM CDTSevere Thunderstorm WarningGIDPolk, York61 min
Jul 25, 4:47 PM CDTTornado WarningGIDBuffalo, Hall28 min
Jul 25, 5:18 PM CDTTornado WarningGIDBuffalo, Hall27 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1990Every severe thunderstorm warning in 1990

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.