Alert archive / Delaware / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 39, NWS Wilmington, NC

June 27, 1994Kent County, Sussex County, Delaware

NWS Wilmington, NC issued this severe thunderstorm warning at Jun 27, 1994, 12:45 PM EDT for Kent County, Sussex County, Delaware. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Jun 27, 1994, 12:45 PM EDT (16:45 UTC)
Expired
Jun 27, 1994, 1:45 PM EDT
In force
60 min
Issued by
NWS Wilmington, NC
Area
Whole counties

Counties Kent County, DE, Sussex County, DE

The nearest sounding before it

Atlantic City In, NJ (KACY), launched 12:00Z, 4.8 hours before the alert went out and 101 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, Atlantic City In, NJ at 12:00Z on 1994-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 935 joules per kilogram.LCLLFCEL10008507005003002001001 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, Atlantic City In, NJ at 12:00Z on 1994-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
935 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
674 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
155 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KILG 271645 RRA
SVRILG
DEC001-005-271745-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILMINGTON DE
1245 PM EDT MON JUN 27 1994
 
THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  145 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL DELAWARE
 
   ...KENT COUNTY
 
IN SOUTH DELAWARE
 
   ...SUSSEX COUNTY
 
FOR THE DELAWARE BAY FROM
ALONG THE ATLANTIC COAST FROM
 
...SEVERE THUNDERSTORM WARNING FOR KENT AND SUSSEX COUNTIES...
 
WEATHER RADAR INDICATES SEVERE THUNDERSTORMS MOVING TOWARD KENT AND
SUSSEX COUNTIES FROM THE SOUTHWEST. THESE STORMS ARE MOVING TO THE
NORTHEAST AT 40 TO 50 MPH AND WILL IMPACT KENT AND SUSSEX COUNTIES
WITHIN THE NEXT HALF HOUR.
 
TOWNSEND
 
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
 
 
NNNN

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

Local storm report, Jun 27, 10:13 AM EDT, 2 hours 32 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON NC
1111 AM EDT MON JUN 27 1994

 TIME        EVENT
 UNKNOWN     BEAUFORT COUNTY N.C. TREES AND POWER LINES DOWN IN
             THE CITY OF WASHINGTON.
Local storm report, Jun 27, 10:27 AM EDT, 2 hours 18 minutes before
STORM REPORT...CORRECTED FOR TIME OF OCCURRENCE...
NATIONAL WEATHER SERVICE WILMINGTON NC
1027 AM EDT MON JUN 27 1994

 TIME        EVENT
 1010 AM EDT BEAUFORT COUNTY N.C. TREES AND POWER LINES DOWN IN
             THE CITY OF WASHINGTON.
Local storm report, Jun 27, 10:28 AM EDT, 2 hours 17 minutes before
STORM REPORT...CORRECTED FOR TIME OF OCCURRENCE...
NATIONAL WEATHER SERVICE WILMINGTON NC
1027 AM EDT MON JUN 27 1994

 TIME        EVENT
 1010 AM EDT BEAUFORT COUNTY N.C. TREES AND POWER LINES DOWN IN
             THE CITY OF WASHINGTON.
Local storm report, Jun 27, 10:48 AM EDT, 1 hour 57 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
1048 AM EDT MON JUN 27 1994

TIME           EVENT

1024 AM EDT   PASQUOTANK COUNTY-
              ELIZABETH CITY COAST GUARD AIR STATION REPORTED A WIND
              GUST TO 50 KNOTS WITH THEIR WIND OBSERVING EQUIPMENT.

DCH
Local storm report, Jun 27, 11:08 AM EDT, 1 hour 37 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
1108 AM EDT MON JUN 27 1994

TIME           EVENT

1000 AM EDT    WASHINGTON COUNTY-EAST OF CRESWELL...POWER LINES                 TIME           AND TREES DOWN. NO TREE DIAMETER SPECIFIED.                      APPROXIMATED   REPORTED BY AMATEUR RADIO OPERATORS.

DCH
Local storm report, Jun 27, 11:11 AM EDT, 1 hour 34 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON NC
1111 AM EDT MON JUN 27 1994

 TIME        EVENT
 UNKNOWN     BEAUFORT COUNTY N.C. TREES AND POWER LINES DOWN IN
             THE CITY OF WASHINGTON.

The office that day

Everything else NWS Wilmington, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 27, 1:14 PM EDTTornado WarningILMKent, Sussex61 min
Jun 27, 2:29 PM EDTSevere Thunderstorm WarningILMSussex61 min
Jun 27, 2:42 PM EDTSevere Thunderstorm WarningILMKent63 min
Jun 27, 2:52 PM EDTTornado WarningILMKent, Sussex53 min

Nearby

Severe Thunderstorm Warnings in Delaware, 1994Every severe thunderstorm warning in 1994

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.