Alert archive / West Virginia / Heat Advisories in 2011
Heat Advisory 7, NWS Charleston, WV
NWS Charleston, WV issued this heat advisory at Jul 23, 2011, 3:18 PM EDT for 19 counties in West Virginia; 9 counties in Ohio; 4 counties in Kentucky. It took effect at Jul 24, 2011, 12:00 PM EDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Jul 23, 2011, 3:18 PM EDT (19:18 UTC)
- In effect from
- Jul 24, 2011, 12:00 PM EDT
- Expired
- Jul 24, 2011, 8:00 PM EDT
- In force
- 8 hr
- Issued by
- NWS Charleston, WV
All 32 counties
Boyd County, KY, Carter County, KY, Greenup County, KY, Lawrence County, KY, Athens County, OH, Gallia County, OH, Jackson County, OH, Lawrence County, OH, Meigs County, OH, Morgan County, OH, Perry County, OH, Vinton County, OH, Washington County, OH, Boone County, WV, Cabell County, WV, Calhoun County, WV, Doddridge County, WV, Gilmer County, WV, Jackson County, WV, Kanawha County, WV, Lincoln County, WV, Logan County, WV, Mason County, WV, Mingo County, WV, Pleasants County, WV, Putnam County, WV, Ritchie County, WV, Roane County, WV, Tyler County, WV, Wayne County, WV, Wirt County, WV, Wood County, WV
The radar
The Charleston,WV radar (KRLX), 54 km from the middle of the area, began a volume at 19:18 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
Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.3 hours before the alert went out and 179 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
- 3311 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 647 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- -2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this heat advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Charleston, WV wrote its last area forecast discussion before this heat advisory went out at Jul 23, 1:53 PM EDT, 1 hour 25 minutes earlier.
Area forecast discussion, Jul 23, 1:53 PM EDT, 1 hour 25 minutes before
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</html>Hazardous weather outlook, Jul 23, 4:40 AM EDT, 10 hours 38 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHARLESTON WV 440 AM EDT SAT JUL 23 2011 VAZ003-004-WVZ027-028-030>040-046-047-240845- DICKENSON-BUCHANAN-CLAY-BRAXTON-LEWIS-HARRISON-TAYLOR-MCDOWELL- WYOMING-RALEIGH-FAYETTE-NICHOLAS-WEBSTER-UPSHUR-BARBOUR-POCAHONTAS- RANDOLPH- 440 AM EDT SAT JUL 23 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWEST VIRGINIA...CENTRAL WEST VIRGINIA...NORTHERN WEST VIRGINIA AND SOUTHERN WEST VIRGINIA. .DAY ONE...TODAY AND TONIGHT. HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. KYZ101>103-105-OHZ066-067-075-076-083>087-WVZ005>011-013>020-024>026- 029-240845- GREENUP-CARTER-BOYD-LAWRENCE-PERRY-MORGAN-ATHENS-WASHINGTON-JACKSON- VINTON-MEIGS-GALLIA-WAYNE-CABELL-MASON-WOOD-PLEASANTS-TYLER-LINCOLN- PUTNAM-KANAWHA-ROANE-WIRT-CALHOUN-RITCHIE-DODDRIDGE-MINGO-LOGAN- BOONE-GILMER- 440 AM EDT SAT JUL 23 2011 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST KENTUCKY...SOUTHEAST OHIO AND MUCH OF WEST VIRGINIA. .DAY ONE...TODAY AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. HEAT ADVISORY. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. THE COMBINATION OF ABOVE NORMAL TEMPERATURES AND HIGH HUMIDITY MAY ONCE AGAIN CREATE HEAT INDICES IN THE LOWER 100S...REQUIRING THE NEED FOR YET ANOTHER HEAT ADVISORY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
In the hours before
Special weather statement, Jul 23, 12:20 PM EDT, 2 hours 58 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
1220 PM EDT SAT JUL 23 2011
OHZ085-WVZ007-008-231700-
JACKSON WV-MASON WV-MEIGS OH-
1220 PM EDT SAT JUL 23 2011
...A STRONG THUNDERSTORM WILL AFFECT JACKSON...NORTHEASTERN MASON AND
SOUTHEASTERN MEIGS COUNTIES...
AT 1216 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 6 MILES SOUTH OF
RACINE...MOVING SOUTHEAST AT 15 MPH.
WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THIS STORM. VERY HEAVY RAIN
WILL FALL FROM THIS STORM...AND WILL CAUSE WATER TO POND ON ROADS AND
QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS. EXPECT INTENSE
LIGHTNING FROM THIS STORM. DO NOT STAY IN THE OPEN NOR SEEK SHELTER
UNDER TREES WHEN LIGHTNING THREATENS...MOVE INDOORS WHEN A
THUNDERSTORM APPROACHES.
THIS STORM WILL BE NEAR COTTAGEVILLE AROUND 1230 PM...EVANS AROUND
1245 PM...RIPLEY AROUND 1255 PM AND FAIRPLAIN AROUND 100 PM.
THIS WILL IMPACT THE FOLLOWING INTERSTATE...I-77 BETWEEN MILE MARKERS
121 AND 147 IN WEST VIRGINIA.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE ELEVATED LEVELS ON
SMALL CREEKS AND STREAMS...AND PONDING OF WATER IN URBAN AREAS...
HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER POOR DRAINAGE
AREAS AND LOW LYING SPOTS.
PLEASE REPORT SIGNIFICANT WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.
LAT...LON 3891 8153 3878 8152 3860 8164 3864 8171
3868 8175 3868 8179 3881 8206 3900 8193
24Special weather statement, Jul 23, 12:26 PM EDT, 2 hours 52 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
1226 PM EDT SAT JUL 23 2011
WVZ013-026-231715-
BOONE WV-LINCOLN WV-
1226 PM EDT SAT JUL 23 2011
...A STRONG THUNDERSTORM WILL AFFECT CENTRAL LINCOLN AND NORTHWESTERN
BOONE COUNTIES...
AT 1224 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 11 MILES SOUTHEAST
OF HAMLIN...MOVING EAST AT 10 MPH.
WIND GUSTS TO 40 MPH AND SMALL HAIL ARE POSSIBLE WITH THIS STORM.
VERY HEAVY RAIN WILL ALSO FALL FROM THIS STORM...AND WILL CAUSE
WATER TO POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL
STREAMS. EXPECT INTENSE LIGHTNING FROM THIS STORM. DO NOT STAY IN
THE OPEN NOR SEEK SHELTER UNDER TREES WHEN LIGHTNING
THREATENS...MOVE INDOORS WHEN A THUNDERSTORM APPROACHES.
THIS STORM WILL BE NEAR MUD AROUND 1245 PM...ALKOL AROUND 1255 PM...
WOODVILLE AROUND 105 PM AND DANVILLE AROUND 115 PM.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE ELEVATED LEVELS ON
SMALL CREEKS AND STREAMS...AND PONDING OF WATER IN URBAN AREAS...
HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER POOR DRAINAGE
AREAS AND LOW LYING SPOTS.
PLEASE REPORT SIGNIFICANT WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.
LAT...LON 3824 8209 3819 8182 3818 8182 3819 8180
3817 8171 3795 8182 3800 8197 3801 8196
3802 8194 3802 8202 3808 8216
24Special weather statement, Jul 23, 12:52 PM EDT, 2 hours 26 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
1252 PM EDT SAT JUL 23 2011
WVZ026-231745-
BOONE WV-
1252 PM EDT SAT JUL 23 2011
...A LINE OF THUNDERSTORMS WILL AFFECT BOONE COUNTY...
AT 1245 PM EDT...A LINE OF THUNDERSTORMS WAS LOCATED 4 MILES EAST OF
MADISON...MOVING EAST AT 10 MPH.
VERY HEAVY RAIN WILL FALL FROM THESE STORMS...AND WILL CAUSE WATER TO
POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.
RADAR RAINFALL ESTIMATES INDICATE 1.25 TO 1.5 INCHES OF RAIN HAVE
FALLEN OVER PORTIONS OF BOONE COUNTY IN THE PAST HOUR. IF STORMS
CONTINUE TO MOVE OVER THE SAME AREA A FLASH FLOOD WARNING MAY BE
ISSUED.
ALSO EXPECT INTENSE LIGHTNING FROM THIS STORM. DO NOT STAY IN THE
OPEN NOR SEEK SHELTER UNDER TREES WHEN LIGHTNING THREATENS...MOVE
INDOORS WHEN A THUNDERSTORM APPROACHES.
THIS STORM WILL BE NEAR VAN AROUND 100 PM...SETH AROUND 115 PM...
PRENTER AROUND 120 PM...BALD KNOB AROUND 135 PM AND SYLVESTER AROUND
145 PM.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE ELEVATED LEVELS ON
SMALL CREEKS AND STREAMS...AND PONDING OF WATER IN URBAN AREAS...
HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER POOR DRAINAGE
AREAS AND LOW LYING SPOTS.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
PLEASE REPORT SIGNIFICANT WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.
LAT...LON 3783 8165 3781 8171 3783 8174 3794 8178
3799 8198 3803 8191 3805 8197 3813 8195
3814 8188 3821 8184 3818 8181 3823 8178
3820 8175 3822 8165 3803 8146 3799 8146
3793 8157 3784 8156 3779 8151 3777 8157
24The office that day
Everything else NWS Charleston, WV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 8:04 PM EDT | Special Weather Statement | RLX | Nicholas | 26 min |
| Jul 22, 8:26 PM EDT | Special Weather Statement | RLX | Nicholas | 34 min |
| Jul 22, 10:15 PM EDT | Special Weather Statement | RLX | Doddridge, Harrison | 60 min |
| Jul 23, 4:38 AM EDT | Heat Advisory | RLX | Boone, Cabell, Calhoun, Doddridge, Gilmer, Jackson and 13 more | 15 hr |
| Jul 23, 7:50 AM EDT | Special Weather Statement | RLX | Wayne | 55 min |
| Jul 23, 12:20 PM EDT | Special Weather Statement | RLX | Jackson | 40 min |
| Jul 23, 12:26 PM EDT | Special Weather Statement | RLX | Lincoln | 49 min |
| Jul 23, 12:52 PM EDT | Special Weather Statement | RLX | Boone | 53 min |
| Jul 23, 2:24 PM EDT | Flash Flood Warning | RLX | Putnam | 4 hr |
| Jul 23, 3:43 PM EDT | Flash Flood Warning | RLX | Mason | 2 hr |
| Jul 23, 4:53 PM EDT | Special Weather Statement | RLX | Vinton | 52 min |
| Jul 23, 5:01 PM EDT | Special Weather Statement | RLX | Washington | 59 min |
Nearby
Heat Advisories in West Virginia, 2011Heat Advisories in Ohio, 2011Heat Advisories in Kentucky, 2011Every heat advisory in 2011
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.