Alert archive / North Carolina / Flash Flood Warnings in 1999
Flash Flood Warning 43, NWS Raleigh, NC
NWS Raleigh, NC issued this flash flood warning at Sep 29, 1999, 11:06 AM EDT for Montgomery 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
- Sep 29, 1999, 11:06 AM EDT (15:06 UTC)
- Expired
- Sep 29, 1999, 1:35 PM EDT
- In force
- 2 hr
- Issued by
- NWS Raleigh, NC
- Area
- Whole counties
County Montgomery County, NC
The radar
The Raleigh/Durham radar (KRAX), 133 km from the middle of the area, began a volume at 15:05 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 3.1 hours before the alert went out and 83 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
- 196 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 508 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 106 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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.
NWS Raleigh, NC wrote its last area forecast discussion before this flash flood warning went out at Sep 29, 11:00 AM EDT, 6 minutes earlier.
Area forecast discussion, Sep 29, 11:00 AM EDT, 6 minutes before
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</html>In the hours before
Special weather statement, Sep 29, 10:45 AM EDT, 21 minutes before
NCZ073>075-083-084-291645- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH NC 1045 AM EDT WED SEP 29 1999 ... HEAVY RAIN MAY FLOOD ROADWAYS ... AT 1045 AM NATIONAL WEATHER SERVICE RADAR INDICATED AN AREA OF HEAVY RAIN EXTENDING WEST TO EAST ACROSS SOUTHERN STANLY... SOUTHERN MONTGOMERY...AND SOUTHERN MOORE COUNTIES. THE HEAVY RAIN AREA WILL BE MOVING SLOWLY NORTHWARD THROUGH MONTGOMERY... STANLY...AND MOORE COUNTIES THROUGH 1130 AM PRODUCING RAINFALL AMOUNTS OF ABOUT AN INCH PER HOUR. SOME SECONDARY ROADS IN THESE COUNTIES COULD EXPERIENCE TEMPORARY FLOODING OR HIGH WATER FROM THESE RAINS. AS THE HEAVY RAIN MOVED THROUGH ANSON COUNTY EARLIER THIS MORNING ...SOME ROADWAYS IN NORTHERN ANSON COUNTY WERE FLOODED AND CLOSED. THE FLOODED ROADS WERE IN THE VICINITY OF HIGHWAY 52 AND INCLUDED HIGHWAY 109 SOUTH...COX ROAD...AND WHITE STORE ROAD. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROADWAY. STAY TUNE TO NOAA WEATHER RADIO OR THE MEDIA FOR ADDITIONAL WEATHER UPDATES AND POSSIBLE FLOOD WARNINGS. KK
Special weather statement, Sep 29, 10:45 AM EDT, 21 minutes before
NCZ073>075-083-084-291645- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH NC 1045 AM EDT WED SEP 29 1999 ... HEAVY RAIN MAY FLOOD ROADWAYS ... AT 1045 AM NATIONAL WEATHER SERVICE RADAR INDICATED AN AREA OF HEAVY RAIN EXTENDING WEST TO EAST ACROSS SOUTHERN STANLY... SOUTHERN MONTGOMERY...AND SOUTHERN MOORE COUNTIES. THE HEAVY RAIN AREA WILL BE MOVING SLOWLY NORTHWARD THROUGH MONTGOMERY... STANLY...AND MOORE COUNTIES THROUGH 1130 AM PRODUCING RAINFALL AMOUNTS OF ABOUT AN INCH PER HOUR. SOME SECONDARY ROADS IN THESE COUNTIES COULD EXPERIENCE TEMPORARY FLOODING OR HIGH WATER FROM THESE RAINS. AS THE HEAVY RAIN MOVED THROUGH ANSON COUNTY EARLIER THIS MORNING ...SOME ROADWAYS IN NORTHERN ANSON COUNTY WERE FLOODED AND CLOSED. THE FLOODED ROADS WERE IN THE VICINITY OF HIGHWAY 52 AND INCLUDED HIGHWAY 109 SOUTH...COX ROAD...AND WHITE STORE ROAD. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROADWAY. STAY TUNE TO NOAA WEATHER RADIO OR THE MEDIA FOR ADDITIONAL WEATHER UPDATES AND POSSIBLE FLOOD WARNINGS. KK
The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 29, 4:08 PM EDT | Flash Flood Warning | RAH | Anson | 3 hr |
| Sep 29, 4:38 PM EDT | Flash Flood Warning | RAH | Richmond | 2 hr |
| Sep 29, 6:05 PM EDT | Severe Thunderstorm Warning | RAH | Stanly | 35 min |
| Sep 29, 6:28 PM EDT | Severe Thunderstorm Warning | RAH | Forsyth | 32 min |
| Sep 29, 6:31 PM EDT | Tornado Warning | RAH | Stanly | 34 min |
| Sep 29, 6:50 PM EDT | Severe Thunderstorm Warning | RAH | Montgomery | 35 min |
| Sep 29, 7:11 PM EDT | Tornado Warning | RAH | Stanly | 49 min |
| Sep 29, 7:38 PM EDT | Severe Thunderstorm Warning | RAH | Randolph | 47 min |
| Sep 29, 7:58 PM EDT | Tornado Warning | RAH | Montgomery | 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; radar from the NEXRAD Level II archive.