Alert archive / North Carolina / Flash Flood Warnings in 1990
Flash Flood Warning 1, NWS Raleigh, NC
NWS Raleigh, NC issued this flash flood warning at Aug 9, 1990, 12:00 PM EDT for 4 counties in North Carolina. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Aug 9, 1990, 12:00 PM EDT (16:00 UTC)
- Expired
- Aug 9, 1990, 5:00 PM EDT
- In force
- 5 hr
- Issued by
- NWS Raleigh, NC
- Area
- Whole counties
Counties Franklin County, NC, Johnston County, NC, Nash County, NC, Wake County, NC
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
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 4.0 hours before the alert went out and 145 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
- 102 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 644 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 75 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 KRDU 091603 FFWRDU NCC101-127-183-069-092100- BULLETIN FLOOD WARNING NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC NOON EDT THU AUG 9 1990 THE NATIONAL WEATHER SERVICE HAS ISSUED AN URBAN AND SMALL STREAM FLOOD WARNING FOR JOHNSTON...WAKE...NASH...AND FRANKLIN COUNTIES IN NORTH CAROLINA. THE FLOOD WARNING IS IN EFFECT UNTIL 5 PM EDT. SOME AREAS IN THESE COUNTIES HAVE ALREADY RECEIVED AS MUCH AS 3 TO 6 INCHES OF RAIN. WEATHER RADAR INDICATES MORE HEAVY RAINFALL HAS ALREADY BEGUN TO MOVE BACK INTO THE AREA AND WILL LIKELY CONTINUE OFF AND ON THROUGHOUT THE AFTERNOON. FLOODING HAS ALREADY BEEN REPORTED BY THE WAKE COUNTY SHERIFF DEPART- MENT NEAR ZEBULON IN EASTERN WAKE COUNTY. MORPHUS BRIDGE ROAD WHICH IS STATE ROAD 2349 IS UNDER WATER AT THE CREEK BRIDGE AT THIS TIME. MORPHUS BRIDGE ROAD CONNECTS ZEBULON WITH WENDELL, NC. AUTHORITIES WILL LIKELY BE BARACADING THE ROAD IN THE VICINITY OF THE BRIDGE. RESIDENTS IN THE AFFECTED AREAS SHOULD BE PREPARED FOR HIGH WATER PROBLEMS RESULTING FROM POOR URBAN DRAINAGE. ALSO... MANY SMALL STREAMS WILL BEGIN TO FLOOD INTO LOW LYING AREAS. THOSE IN FLOOD PRONE AREAS SHOULD MONITOR WATER LEVELS THROUGHOUT THE AFTERNOON AND TAKE ANY NECESSARY ACTIONS TO AVOID PROPERTY DAMAGE OR RISK TO PERSONAL INJURY. THIS PERIOD OF WET WEATHER WILL CONTINUE OVER OUR REGION THROUGH FRIDAY. FLOOD WATCHES AND ADDITIONAL FLOOD WARNINGS MAY BE NECESSARY IN OTHER PARTS OF NORTH CAROLINA LATER TODAY OR TONIGHT. STAY ,TUNED TO NOAA WEATHER RADIO OR COMMERCIAL RADIO AND TELEVISION FOR ADDITIONAL WEATHER UPDATES THROUGHOUT THE AFTERNOON.
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, Aug 9, 6:55 AM EDT, 5 hours 5 minutes before
NCZ003-004-005-091200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC 655 AM EDT THU AUG 9 1990 AT 650 AM WEATHER SERVICE RADAR SHOWED WIDESPREAD RAIN ACROSS THE NORTHEAST PIEDMONT AND OVER WESTERN SECTIONS OF THE NORTHERN COASTAL PLAIN. HEAVIEST RAIN WAS IN FRANKLIN COUNTY AND WESTERN NASH COUNTY. NO PROBLEMS HAVE BEEN REPORTED WITH THE RAIN THAT HAS FALLEN SINCE WEDNESDAY AFTERNOON. THERE HAVE BEEN SOME LOCALLY VERY HEAVY AMOUNTS. A COOPERATIVE OBSERVER AT ZEBULON REPORTED 5.60 INCHES. ONLY A TENTH OF AN INCH HAS FALLEN AT RALEIGH-DURHAM INTERNATIONAL. SOME MINOR FLOODING OF LOW-LYING AREAS OR PONDING OF WATER ON ROADS IS POSSIBLE THIS MORNING AS THE RAIN CONTINUSES. JBP
Special weather statement, Aug 9, 7:43 AM EDT, 4 hours 17 minutes before
NCZ003-004-005-091300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC 740 AM EDT THU AUG 9 1990 AT 735 AM WEATHER SERVICE RADAR SHOWED WIDESPREAD RAIN ACROSS THE NORTHEAST PIEDMONT AND WESTERN COASTAL PLAIN OF NORTH CAROLINA. HEAVIEST RAIN WAS IN JOHNSTON COUNTY. THE RAIN WAS MOVING NORTH AT 20 MPH. THIS MOVEMENT WILL TAKE THE HEAVIER RAIN ACROSS EASTERN WAKE COUNTY INTO FRANKLIN COUNTY AND WESTERN NASH COUNTY. THESE AREAS HAVE ALREADY HAD LOCALLY HEAVY RAIN. SOME MINOR FLOODING OF LOW-LYING AREAS AND PONDING OF WATER ON ROADS IS POSSIBLE. LISTEN TO LOCAL RADIO...TELEVISION OR NOAA WEATHER RADIO FOR THE LATEST INFORMATION. JBP
Special weather statement, Aug 9, 9:28 AM EDT, 2 hours 32 minutes before
NCZ003-004-005-091500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC 930 AM EDT THU AUG 9 1990 AT 925 AM WEATHER SERVICE RADAR SHOWED WIDESPREAD RAIN IN THE AREAS OF WAKE...JOHNSTON...FRANKLIN...AND NASH COUNTIES OF THE NORTHEAST PIEDMONT AND NORTH CENTRAL COASTAL PLAIN. THESE AREAS HAVE HAD ABUNDANT RAINFALL OVERNIGHT AND ADDITIONAL HEAVY RAIN MAY CAUSE FLOODING OF STREAMS AND CREEKS IN THE AREA IN ADDITION TO HIGHWAY AND URBAN DRAINAGE PROBLEMS. THIS SITUATION IS BEING ASSESSED AT THE PRESENT TIME AND FLOOD WATCHS OR WARNINGS MAY BE NEEDED FOR PORTIONS OF CENTRAL EASTERN NORTH CAROLINA LATER TODAY. LISTEN TO LOCAL RADIO...TELEVISION OR NOAA WEATHER RADIO FOR LAATER STATEMENTS OR POSSIBLE WATCHES AND WARNINGS. RFG
Special weather statement, Aug 9, 10:56 AM EDT, 1 hour 4 minutes before
NCZ003-004-005-014-091630- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC 1100 AM EDT THU AUG 9 1990 AT 1100 AM WEATHER SERVICE RADAR SHOWED WIDESPREAD LIGHT TO MODERATE RAIN OVER THE NORTHEAST PIEDMONT, THE SANDHILLS, AND PORTIONS OF THE NORTHERN AND CENTRAL COASTAL PLAIN. IN THE COUNTIES OF WAKE...JOHNSTON...FRANKLIN...AND NASH THERE CONTINUES TO BE SCATTERED POCKETS OF HEAVY RAIN. THESE COUNTIES HAVE HAD ABUNDANT RAINFALL OVERNIGHT AND ADDITIONAL HEAVY RAIN MAY CAUSE FLOODING OF STREAMS AND CREEKS IN ADDITION TO HIGHWAY AND URBAN DRAINAGE PROBLEMS. EARLIER THIS MORNING THERE WERE TWO SEPARATE CAR ACCIDENTS NEAR THE TOOWN OF CLAYTON AS MOTORTISTS ENCOUNTERED PONDING OF WATER ON THE ROADWAYS. THE RAINFALL SITUATION IS BEING ASSESSED AT THE PRESENT TIME AND FLOOD WATCHS OR WARNINGS COULD BE NEEDED FOR PORTIONS OF CENTRAL EASTERN NORTH CAROLINA THIS AFTERNOON. ^ STAY TUNE TO NOAA WEATHER RADIO OR LOCAL RADIO AND TV FOR ADDITIONAL WEATHER UPDATES. KK
Nearby
Flash Flood Warnings in North Carolina, 1990Every flash flood 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.