Alert archive / North Carolina / Flash Flood Warnings in 1999
Flash Flood Warning 3, NWS Raleigh, NC
NWS Raleigh, NC issued this flash flood warning at Jul 1, 1999, 7:29 PM EDT for Davidson County, North Carolina. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 1, 1999, 7:29 PM EDT (23:29 UTC)
- Expired
- Jul 1, 1999, 9:30 PM EDT
- In force
- 2 hr
- Issued by
- NWS Raleigh, NC
- Area
- Whole counties
County Davidson County, NC
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 11.5 hours before the alert went out and 43 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
- 1156 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 538 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 62 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 012331 FFWRDU NCC057-020130- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE RALEIGH NC 729 PM EDT THU JUL 1 1999 THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A * FLASH FLOOD WARNING FOR... DAVIDSON COUNTY IN NORTH CAROLINA * UNTIL 930 PM EDT * AT 727 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A CLUSTER OF THUNDERSTORMS WITH VERY HEAVY RAIN OVER NORTHERN DAVIDSON COUNTY...MOVING SLOWLY TO THE SOUTHEAST. DAVIDSON COUNTY COMMUNICATIONS DEPARTMENT REPORTED WATER BEGINNING TO ENTER HOME NORTH OF LEXINGTON. RADAR ESTIMATES OF 3.5 INCHES HAS LIKELY FALLEN NORTH OF LEXINGTON SINCE 630 PM. * THE THUNDERSTORMS WILL LIKELY CONTINUE THROUGH 830 PM...DUMPING AN ADDITIONAL 1 TO 1.5 INCHES OF RAIN. THIS WILL AGGREVATE FLOODING ALREADY OCCURRING IN NORTHERN DAVIDSON COUNTY. DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD! WSS
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, Jul 1, 3:30 PM EDT, 3 hours 59 minutes before
NCZ007>011-021>028-038>043-073>078-083>086-088-089-020320-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
330 PM EDT THU JUL 1 1999
...NEAR RECORD HEAT EXPECTED FOR JULY 4TH AND MONDAY...
HIGH PRESSURE OVER ATLANTIC WATERS THURSDAY IS FORECAST TO BUILD
INTO THE SOUTHEASTERN UNITED STATES AND STRENGTHEN OVER THE
WEEKEND...BRINGING A POTENTIAL FOR RECORD BREAKING HEAT SUNDAY AND
MONDAY.
PARTLY CLOUDY SKIES ARE EXPECTED WITH LITTLE CHANCE FOR
PRECIPITATION. AFTERNOON TEMPERATURES ARE LIKELY TO RISE TO NEAR
RECORD LEVELS...IN THE UPPER 90S...FOR SEVERAL HOURS DURING THE
AFTERNOON SUNDAY AND MONDAY. A FEW TRIPLE DIGIT READINGS ARE NOT
OUT OF THE QUESTION.
THE RECORD HIGH TEMPERATURES FOR:
SUNDAY (4TH) MONDAY
RALEIGH 98 IN 1997 100 IN 1948
GREENSBORO 98 IN 1970 98 IN 1990
REMEMBER PROLONGED EXPOSURE COMBINED WITH PHYSICAL ACTIVITY CAN
CAUSE HEAT EXHAUSThION AND HEAT STROKE. AVOID PROLONGED ACTIVITY
DURING THE LATE AFTERNOON HOURS IF POSSIBLE. THE ELDERLY...VERY
YOUNG...SICK AND PERSONS WITH HEART CONDITIONS ARE MOST AT RISK IN
EXTREME HEAT.Special weather statement, Jul 1, 3:30 PM EDT, 3 hours 59 minutes before
NCZ007>011-021>028-038>043-073>078-083>086-088-089-020320-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
330 PM EDT THU JUL 1 1999
...NEAR RECORD HEAT EXPECTED FOR JULY 4TH AND MONDAY...
HIGH PRESSURE OVER ATLANTIC WATERS THURSDAY IS FORECAST TO BUILD
INTO THE SOUTHEASTERN UNITED STATES AND STRENGTHEN OVER THE
WEEKEND...BRINGING A POTENTIAL FOR RECORD BREAKING HEAT SUNDAY AND
MONDAY.
PARTLY CLOUDY SKIES ARE EXPECTED WITH LITTLE CHANCE FOR
PRECIPITATION. AFTERNOON TEMPERATURES ARE LIKELY TO RISE TO NEAR
RECORD LEVELS...IN THE UPPER 90S...FOR SEVERAL HOURS DURING THE
AFTERNOON SUNDAY AND MONDAY. A FEW TRIPLE DIGIT READINGS ARE NOT
OUT OF THE QUESTION.
THE RECORD HIGH TEMPERATURES FOR:
SUNDAY (4TH) MONDAY
RALEIGH 98 IN 1997 100 IN 1948
GREENSBORO 98 IN 1970 98 IN 1990
REMEMBER PROLONGED EXPOSURE COMBINED WITH PHYSICAL ACTIVITY CAN
CAUSE HEAT EXHAUSThION AND HEAT STROKE. AVOID PROLONGED ACTIVITY
DURING THE LATE AFTERNOON HOURS IF POSSIBLE. THE ELDERLY...VERY
YOUNG...SICK AND PERSONS WITH HEART CONDITIONS ARE MOST AT RISK IN
EXTREME HEAT.Local storm report, Jul 1, 7:04 PM EDT, 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
704 PM EDT THU JUL 01 1999
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0645 PM GREENSBORO NC WIND DAMAGE
07/01/99 GUILFORD SKYWARN SPOTTER REPORTS
TREES DOWN ON GREEN VALLEY
RD IN WEST GREENSBORO.Local storm report, Jul 1, 7:04 PM EDT, 25 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTION
NATIONAL WEATHER SERVICE RALEIGH NC
704 PM EDT THU JUL 01 1999
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0645 PM GREENSBORO NC WIND DAMAGE
07/01/99 GUILFORD SKYWARN SPOTTER REPORTS
TREES DOWN ON GREEN VALLEY
RD...NEAR FRIENDLY RD IN
EAST GREENSBORO.The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 6:48 PM EDT | Severe Thunderstorm Warning | RAH | Davidson, Guilford | 32 min |
Nearby
Flash Flood Warnings in North Carolina, 1999Every flash flood warning in 1999
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.