Alert archive / Delaware / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 35, NWS Wilmington, NC
NWS Wilmington, NC issued this severe thunderstorm warning at Jul 5, 1990, 4:42 PM EDT for Kent County, New Castle County, Delaware. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Jul 5, 1990, 4:42 PM EDT (20:42 UTC)
- Expired
- Jul 5, 1990, 6:45 PM EDT
- In force
- 2 hr
- Issued by
- NWS Wilmington, NC
- Area
- Whole counties
Counties Kent County, DE, New Castle County, DE
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
Atlantic City In, NJ (KACY), launched 12:00Z, 8.7 hours before the alert went out and 93 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
- 1652 J/kg
- Mixed-layer CIN
- -382 J/kg
- Mixed-layer LCL
- 1207 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 157 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KILG 052042 RRA SVRILG DEC001-003-052245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING NATIONAL WEATHER SERVICE WILMINGTON DE 442 PM EDT THU JUL 5 1990 THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 645 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS...S... IN CENTRAL DELAWARE ...KENT COUNTY AND FOR MARINE INTERESTS NEAR ...BOWERS BEACH IN NORTH DELAWARE ...SOUTHERN NEW CASTLE COUNTY SEVERE THUNDERSTORM WATCH IN EFFECT FOR NEW CASTLE KENT AND NORTHERN SUSSEX COUNTIES UNTIL 8PM THIS EVENING. A THUNDERSTORM WITH EXTREMELY HEAVY RAIN SMALL HAIL...DIME SIZE REPORTED IN NEWARK...DEADLY LIGHTNING AND GUSTY WINDS TO ABOUT 55 MPH IS MOVING INTO CENTRAL AND SOUTH NEW CASTLE COUNTY OF DELAWARE THEN INTO NORTHCENTRAL AND NORTHEAST KENT COUNTY AND OUT OVER THE DELAWARE BAY. RESIDENT IN THESE AREAS SHOULD BE ALERT FOR THIS STORM AND TAKE SHELTER AS THE STORM APPROACHES. MOTORIST SHOULD PULL OFF THE ROAD UNTIL THE STORM PASSES. BOATERS SHOULD AVOID THIS STORM. STREETS WILL BE FLOODED AS THE STORM PASSES. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS. CKD
The office that day
Everything else NWS Wilmington, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 5:07 PM EDT | Flash Flood Warning | ILM | New Castle | 2 hr |
| Jul 5, 7:21 PM EDT | Severe Thunderstorm Warning | ILM | Sussex | 2 hr |
Nearby
Severe Thunderstorm Warnings in Delaware, 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.