Alert archive / North Carolina / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 52, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Jul 1, 1999, 6:48 PM EDT for Davidson County, Guilford County, North Carolina. It was in force for 32 min. 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, 6:48 PM EDT (22:48 UTC)
- Expired
- Jul 1, 1999, 7:20 PM EDT
- In force
- 32 min
- Issued by
- NWS Raleigh, NC
- Area
- Whole counties
Counties Davidson County, NC, Guilford County, NC
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.8 hours before the alert went out and 18 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
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 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
Special weather statement, Jul 1, 3:30 PM EDT, 3 hours 18 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 18 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.The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 7:29 PM EDT | Flash Flood Warning | RAH | Davidson | 2 hr |
Nearby
Severe Thunderstorm Warnings in North Carolina, 1999Every severe thunderstorm 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.