Alert archive / Delaware / Flash Flood Warnings in 1993
Flash Flood Warning 1, NWS Wilmington, NC
NWS Wilmington, NC issued this flash flood warning at Jan 5, 1993, 8:08 AM EST for New Castle County, Delaware. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Jan 5, 1993, 8:08 AM EST (13:08 UTC)
- Expired
- Jan 5, 1993, 10:15 AM EST
- In force
- 2 hr
- Issued by
- NWS Wilmington, NC
- Area
- Whole counties
County New Castle County, DE
The nearest sounding before it
Atlantic City In, NJ (KACY), launched 12:00Z, 1.1 hours before the alert went out and 99 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 511 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 542 m²/s²
- 0-3 km storm-relative helicity
- 571 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 051314 COR FFWILG DEC003-051515- BULLETIN - EBS ACTIVATION REQUESTED FLOOD WARNING...CORRECTED... NATIONAL WEATHER SERVICE WILMINGTON DE 814 AM EST TUE JAN 5 1993 THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A FLOOD WARNING EFFECTIVE UNTIL 1015 AM EST FOR PEOPLE IN THE FOLLOWING LOCATION...... IN NORTH DELAWARE ...NEW CASTLE COUNTY VERY HEAVY RAIN HAS FALLEN ACROSS NORTHERN DELAWARE THIS MORNING. OVER AN INCH OF RAIN HAS FALLEN HERE AT THE NEW CASTLE COUNTY AIRPORT IN WILMINGTON. THE RIVER GAGE AT COOCHES BRIDGE ON THE CHRISTINA RIVER REPORTED THE LEVEL TO BE ABOVE FLOOD STAGE OF 9.0 FEET AND STILL RISING. PERSONS LIVING ALONG THE CHRISTINA RIVER SHOULD MONITOR WATER LEVELS CLOSELY AND MOVE TO HIGHER GROUND. ALL OTHER STREAMS HAVE BEEN RISING IN THE COUNTY OF NEW CASTLE IN DELAWARE BUT ARE STILL WITHIN THEIR BANKS. MOST OF THE HEAVIER RAIN HAS MOVED SOUTH OF NEW CASTLE COUNTY. THE NATIONAL WEATHER SERVICE WILL CONTINUE TO MONITOR STREAM LEVELS. THE NEXT STATEMENT WILL BE ISSUED AT AROUND 9 AM EST THIS MORNING. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLE S CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. LOMBARDY ...CORRECTED TO REMOVE FLASH...
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, Jan 5, 4:10 AM EST, 3 hours 58 minutes before
NCZ015-016-017-051200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON NC 410 AM EST TUE JAN 5 1993 ...THUNDERSTORMS WITH VERY HEAVY RAIN OVER SOUTHEAST NORTH CAROLINA... AT 405AM...THUNDERSTORMS AND SHOWERS...SOME WITH VERY HEAVY RAIN WERE MOVING NORTHEAST FROM COASTAL SOUTH CAROINA INTO THE SOUTHERN COASTAL PLAIN AND COASTAL AREAS OF SOUTHEAST NORTH CAROLINA. SOME OF THESE SHOWERS AND THUNDERSTORMS WERE PRODUCING VERY HEAVY RAIN WHICH MAY CAUSE SOME FLOODING OF LOW LYING AREAS AND PONDING OF WATER ON ROADWAYS. WIND GUSTS OF AROUND 30 MILES AN HOUR AND VERY HEAVY RAIN WAS REPORTED EARLIER THIS MORNING WITH A THUNDERSTORM IN COLUMBUS COUNTY. MOTORISTS SHOULD USE ADDED CAUTION AND ALLOW EXTRA TIME FOR TRAVEL THIS MORNING. POOR VISIBILITY IN THE RAIN AND PONDING OF WATER ON ROADWAYS WILL MAKE DRIVING CONDITIONS HAZARDOUS. CM
Special weather statement, Jan 5, 6:43 AM EST, 1 hour 25 minutes before
NCZ017-016-051245- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE WILMINGTON NC 641 AM EST TUE JAN 5 1993 AT 625 AM THERE WAS A STRING OF THUNDERSTORMS WITH VERY HEAVY RAIN FROM EASTERN CRAVEN COUNTY SOUTH SOUTHWEST OVER ATLANTIC WATERS TO 30 MILES SOUTH OF FRYING PAN TOWER. INDIVIDUAL STROMS WERE MOVING TO THE NORTHEAST AT 45 MPH AND WILL LIKELY BE ACCOMPANNIED BY STRONG GUSTY WINDS. MARINE INTERESTS NEAR ANY OF THESE STORMS SHOULD BE READY FOR HIGH WINDS AND ROUGH SEA CONDITIONS. THE STRONGEST THUNDERSTORMS WERE CENTERED 25 MILES EAST OF BALDHEAD ISLAND AND 15 MILES NORTHEAST OF FRYING PAN TOWER. THIS PRECIPITATION WAS PART OF A LARGER AREA OF RAIN AND SHpOWERS THAT WAS OVER THE NORTH CAROLINA SOUTHERN COASTAL AREA..AND OVER THE NORTHEAST PART OF THE STATE. THIS AREA OF PRECIPITATION WAS MOVING TO THE EAST AT ABOUT 30 MPH. THE RAINFALL IN WILMINGTON OVERNIGHT WAS ABOUT ONE INCH.
Special weather statement, Jan 5, 7:40 AM EST, 28 minutes before
NCZ017-016-051345- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE WILMINGTON NC 738 AM EST TUE JAN 5 1993 AT 725 AM THERE WAS A STRING OF THUNDERSTORMS WITH VERY HEAVY RAIN FROM FROM PAMLICO SOUND TO CAPE LOOKOUT TO 50 MILES SOUTHEAST OF FRYING PAN TOWER. INDIVIDUAL STORMS WERE MOVING TO THE NORTHEAST AT 45 MPH. MARINE INTERESTS NEAR ANY OF THESE STORMS SHOULD BE READY FOR HIGH WINDS AND ROUGH SEA CONDITIONS. THE STRONGEST THUNDERSTORM WAS CENTERED 50 MILES SOUTHEAST OF FRYING PAN TOWER. THIS PRECIPITATION WAS PART OF A LARGER AREA OF RAIN AND SHOWERS THAT WAS OVER MUCH OF NORTHEAST NORTH CAROLINA AND WAS ENDING IN THE SOUTHERN COASTAL AREA. . THIS AREA OF* PRECIPITATION WAS MOVING TO THE EAST SOUTHEAST AT ABOUT 30 MPH. THE RAINFALL OVERNIGHT IN COASTAL SOUTHEAST NORTH CAROLINA..ENDING AT 7 AM WAS ... HAVELOCK 1.27 INCHES WILMINGTON 1.03 NEW BERN .75 JACKSONVILLE .68 INCHES
Nearby
Flash Flood Warnings in Delaware, 1993Every flash flood warning in 1993
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.