Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 36, NWS Hastings, NE
NWS Hastings, NE issued this severe thunderstorm warning at Jul 25, 1990, 4:14 PM CDT for Polk County, York County, Nebraska. It was in force for 61 min.
The area
The counties it named.
The facts
- Issued
- Jul 25, 1990, 4:14 PM CDT (21:14 UTC)
- Expired
- Jul 25, 1990, 5:15 PM CDT
- In force
- 61 min
- Issued by
- NWS Hastings, NE
- Area
- Whole counties
Counties Polk 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.
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 9.2 hours before the alert went out and 106 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.
- 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
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, 11:56 AM CDT, 4 hours 18 minutes before
NEZ018-019>019-251700- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE GRAND ISLAND NE 1145AM 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. AT 11 30 AM CDT NUMEROUS SHOWERS AND THUNDERSTORMS SOME PRODUCING VERY HEAVY RAINS CONTINUED FROM CENTRAL INTO EASTERN NEBRASKA AND OVER PARTS OF WESTERN IOWA. THE SHOWERS AND THUNDERSTORMS WERE HEAVIEST AND MOST NUMEROUS FROM SOUTH CENTRAL INTO EAST CENTRAL NEBRASKA. THE MOST INTENSE THUNDERSTORMS WERE IN A SCATTERED BUT IRREGULAR LINE THAT EXTENDED FROM NEAR FORT CALHOUN JUST NORTH OF OMAHA TO SEWARD THEN TO JUST SOUTH OF SUTTON. THE SCHOOL CREEK HAS BE REPORTED OUT OF ITS BANKS AFTER 2 INCHES OR MORE RAIN HAS FALLEN THIS MORNING. OTHER SHOWERS AND THUNDERSTORMS WERE SCATERED ACROSS NORTH CENTRAL INTO NORTHEAST NEBRASKA. MOVEMENT WAS NORTH NORTHEAST AT 20 MPH. STOKES
Special weather statement, Jul 25, 12:36 PM CDT, 3 hours 38 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, 29 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 11:54 AM CDT | Flash Flood Warning | GID | Clay, Fillmore | 3 hr |
| Jul 25, 4:47 PM CDT | Tornado Warning | GID | Buffalo, Hall | 28 min |
| Jul 25, 5:18 PM CDT | Tornado Warning | GID | Buffalo, Hall | 27 min |
| Jul 25, 5:58 PM CDT | Severe Thunderstorm Warning | GID | Hamilton, York | 62 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; the sounding from the Mesonet's radiosonde archive.