Alert archive / North Carolina / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 17, NWS Greenville-Spartanburg, SC

April 3, 2007Haywood County, Madison County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Apr 3, 2007, 11:17 PM EDT for Haywood County, Madison County, North Carolina. It was in force for 58 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
Apr 3, 2007, 11:17 PM EDT (03:17 UTC)
Expired
Apr 4, 2007, 12:15 AM EDT
In force
58 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Counties, with a storm outline in the text

Counties Haywood County, NC, Madison County, NC

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 3, 9:43 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 3.3 hours before the alert went out and 268 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.

Skew-T log-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 00:00Z on 2007-04-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 509 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 00:00Z on 2007-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
509 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1755 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
106 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

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.

NWS Greenville-Spartanburg, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 3, 10:13 PM EDT, 1 hour 4 minutes earlier.

Area forecast discussion, Apr 3, 10:13 PM EDT, 1 hour 4 minutes before
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Hazardous weather outlook, Apr 3, 10:00 PM EDT, 1 hour 17 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1000 PM EDT TUE APR 3 2007

NCZ048>053-058-059-062>065-509-050200-
MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM-
NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-
POLK MOUNTAINS-
1000 PM EDT TUE APR 3 2007

...SEVERE THUNDERSTORM WATCH 118 IN EFFECT UNTIL 3 AM EDT
WEDNESDAY...
...LAKE WIND ADVISORY IN EFFECT UNTIL 6 AM EDT WEDNESDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA.

.DAY ONE...TONIGHT

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   SEVERE THUNDERSTORM WATCH
   LAKE WIND ADVISORY

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

A VERY COLD AIRMASS WILL MOVE INTO THE REGION BEHIND THE COLD
FRONT ON WEDNESDAY. OVERNIGHT MINIMUM TEMPERATURES IN THE TEENS
AND 20S WILL BE POSSIBLE FROM WEDNESDAY NIGHT TO SUNDAY NIGHT
ACROSS THE NORTH CAROLINA MOUNTAINS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL LIKELY BE NEEDED LATE TUESDAY NIGHT.

NCZ033-501-503-505-507-050200-
AVERY-CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS-
RUTHERFORD MOUNTAINS-
1000 PM EDT TUE APR 3 2007

...LAKE WIND ADVISORY IN EFFECT UNTIL 6 AM EDT WEDNESDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA.

.DAY ONE...TONIGHT

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   LAKE WIND ADVISORY

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

A VERY COLD AIRMASS WILL MOVE INTO THE REGION BEHIND THE COLD
FRONT ON WEDNESDAY. OVERNIGHT MINIMUM TEMPERATURES IN THE TEENS
AND 20S WILL BE POSSIBLE FROM WEDNESDAY NIGHT TO SUNDAY NIGHT
ACROSS THE NORTH CAROLINA MOUNTAINS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS POSSIBLE LATE TONIGHT.

GAZ010-050200-
RABUN-
1000 PM EDT TUE APR 3 2007

...SEVERE THUNDERSTORM WATCH 118 IN EFFECT UNTIL 3 AM EDT
WEDNESDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA.

.DAY ONE...TONIGHT

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   SEVERE THUNDERSTORM WATCH

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

A VERY COLD AIRMASS WILL MOVE INTO THE REGION STARTING ON
WEDNESDAY AS A STRONG COLD FRONT CROSSES THE AREA. OVERNIGHT
MINIMUM TEMPERATURES BELOW FREEZING WILL BE POSSIBLE FROM
WEDNESDAY NIGHT TO SUNDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL LIKELY BE NEEDED LATE TONIGHT.

GAZ017-018-026-028-029-NCZ035>037-056-057-068>072-082-502-504-506-
508-SCZ001>014-019-050200-
HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-ALEXANDER-IREDELL-DAVIE-
CATAWBA-ROWAN-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC-
GREATER CALDWELL-GREATER BURKE-EASTERN MCDOWELL-GREATER RUTHERFORD-
OCONEE MOUNTAINS-PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-
GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-
CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD-
1000 PM EDT TUE APR 3 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT
NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA.

.DAY ONE...TONIGHT

THUNDERSTORMS ARE POSSIBLE DURING THE EARLY MORNING HOURS ON
WEDNESDAY AS A COLD FRONT MOVES INTO THE REGION. THERE IS THE
POSSIBILITY THAT ONE OR TWO STORMS COULD PRODUCE STRONG WIND GUSTS
CAPABLE OF KNOCKING DOWN TREE LIMBS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

A VERY COLD AIRMASS WILL MOVE INTO THE AREA STARTING
WEDNESDAY...WITH TEMPERATURES POSSIBLY FALLING BELOW THE FREEZING
MARK FROM THURSDAY NIGHT TO SUNDAY NIGHT. FREEZE WATCHES OR
WARNINGS...AS WELL AS FROST ADVISORIES...COULD BE POSTED AT ANY
TIME FOR THIS PERIOD. PLAN AHEAD NOW TO TAKE STEPS TO PROTECT
TENDER VEGETATION LATER THIS WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

NCZ510-050200-
EASTERN POLK-
1000 PM EDT TUE APR 3 2007

...SEVERE THUNDERSTORM WATCH 118 IN EFFECT UNTIL 3 AM EDT
WEDNESDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA.

.DAY ONE...TONIGHT

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   SEVERE THUNDERSTORM WATCH

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

A VERY COLD AIRMASS WILL MOVE INTO THE AREA STARTING
WEDNESDAY...WITH TEMPERATURES POSSIBLY FALLING BELOW THE FREEZING
MARK FROM THURSDAY NIGHT TO SUNDAY NIGHT. FREEZE WATCHES OR
WARNINGS...AS WELL AS FROST ADVISORIES...COULD BE POSTED AT ANY
TIME FOR THIS PERIOD. PLAN AHEAD NOW TO TAKE STEPS TO PROTECT
TENDER VEGETATION LATER THIS WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL LIKELY BE NEEDED LATE TONIGHT.

MOORE

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 3, 11:38 PM EDTSevere Thunderstorm WarningGSPSwain67 min
Apr 3, 11:53 PM EDTSevere Thunderstorm WarningGSPMitchell, Yancey67 min
Apr 4, 12:08 AM EDTSevere Thunderstorm WarningGSPHaywood, Jackson67 min
Apr 4, 12:17 AM EDTSevere Thunderstorm WarningGSPAvery58 min
Apr 4, 4:36 AM EDTLake Wind AdvisoryGSPAvery, Buncombe, Burke, Caldwell, Graham, Haywood and 11 more35 hr
Apr 4, 4:36 AM EDTWind AdvisoryGSPAvery, Burke, Caldwell, McDowell, Mitchell, Yancey24 hr
Apr 4, 3:02 PM EDTFreeze WatchGSPAlexander, Burke, Cabarrus, Caldwell, Catawba, Cleveland and 10 more13 hr
Apr 4, 2:16 AM EDTSevere Thunderstorm WarningGSPStephens44 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2007Every severe thunderstorm warning in 2007

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.