Alert archive / North Carolina / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 55, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Apr 27, 2011, 2:12 PM EDT for 5 counties in North Carolina. It was in force for 42 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Apr 27, 2011, 2:12 PM EDT (18:12 UTC)
- Expired
- Apr 27, 2011, 2:54 PM EDT
- In force
- 42 min
- Issued by
- NWS Raleigh, NC
- Area
- Storm-based polygon
Counties Edgecombe County, NC, Halifax County, NC, Nash County, NC, Wayne County, NC, Wilson County, NC
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 27, 1:23 PM EDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Newport, NC (KMHX), launched 12:00Z, 6.2 hours before the alert went out and 141 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
- 1762 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 620 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- -6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
883
WUUS52 KRAH 271812
SVRRAH
NCC065-083-127-191-195-271915-
/O.NEW.KRAH.SV.W.0055.110427T1812Z-110427T1915Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
ISSUED BY NATIONAL WEATHER SERVICE BLACKSBURG VA
212 PM EDT WED APR 27 2011
THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTH CENTRAL WAYNE COUNTY IN CENTRAL NORTH CAROLINA
WILSON COUNTY IN CENTRAL NORTH CAROLINA
EDGECOMBE COUNTY IN CENTRAL NORTH CAROLINA
SOUTHEASTERN NASH COUNTY IN CENTRAL NORTH CAROLINA
SOUTHEASTERN HALIFAX COUNTY IN CENTRAL NORTH CAROLINA
* UNTIL 315 PM EDT.
* AT 210 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 6 MILES
SOUTH OF WILSON...OR 19 MILES NORTH OF GOLDSBORO...AND MOVING
NORTHEAST AT 35 MPH.
* LOCATIONS IMPACTED INCLUDE...
WILSON...
ELM CITY...
TARBORO...
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG
BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY
LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY
FROM WINDOWS UNTIL THE STORM HAS PASSED.
PLEASE SEND YOUR REPORTS OF PENNY OR LARGER SIZED HAIL...AS WELL AS
WIND DAMAGE...INCLUDING TREES OR LARGE LIMBS DOWNED BY CALLING THE
NATIONAL WEATHER SERVICE TOLL FREE AT...1...8 6 6...2 1 5...4 3 2 4.
LAT...LON 3600 7739 3595 7737 3553 7794 3566 7809
3589 7787 3582 7773 3613 7746 3605 7735
TIME...MOT...LOC 1812Z 224DEG 29KT 3566 7793
$$
JJ2 follow-up statements
846
WWUS52 KRAH 271839
SVSRAH
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
ISSUED BY NATIONAL WEATHER SERVICE BLACKSBURG VA
239 PM EDT WED APR 27 2011
NCC127-191-195-271849-
/O.CAN.KRAH.SV.W.0055.000000T0000Z-110427T1915Z/
WAYNE NC-WILSON NC-NASH NC-
239 PM EDT WED APR 27 2011
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN NASH...WILSON AND
NORTHERN WAYNE COUNTIES IS CANCELLED...
LAT...LON 3600 7739 3595 7737 3571 7770 3574 7773
3579 7776 3582 7775 3585 7777 3582 7773
3613 7746 3604 7734
TIME...MOT...LOC 1839Z 224DEG 29KT 3589 7778 3575 7769
$$
NCC065-083-271915-
/O.CON.KRAH.SV.W.0055.000000T0000Z-110427T1915Z/
EDGECOMBE NC-HALIFAX NC-
239 PM EDT WED APR 27 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR SOUTHEASTERN HALIFAX AND EDGECOMBE COUNTIES...
AT 235 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 11 MILES NORTHWEST OF PINETOPS TO MACCLESFIELD...OR
ALONG A LINE EXTENDING FROM 6 MILES SOUTH OF ROCKY MOUNT TO 12 MILES
NORTHWEST OF FARMVILLE...MOVING NORTHEAST AT 35 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
TARBORO...PRINCEVILLE...LEGGETT...HOBGOOD AND SPEED.
IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER.
REMEMBER...A SEVERE THUNDERSTORM CAN PRODUCE LARGE DAMAGING HAIL...
DAMAGING WINDS IN EXCESS OF 55 MPH...DEADLY LIGHTNING...AND VERY
HEAVY RAIN.
LAT...LON 3600 7739 3595 7737 3571 7770 3574 7773
3579 7776 3582 7775 3585 7777 3582 7773
3613 7746 3604 7734
TIME...MOT...LOC 1839Z 224DEG 29KT 3589 7778 3575 7769
$$
JJ838
WWUS52 KRAH 271854
SVSRAH
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
ISSUED BY NATIONAL WEATHER SERVICE BLACKSBURG VA
254 PM EDT WED APR 27 2011
NCC065-083-271904-
/O.CAN.KRAH.SV.W.0055.000000T0000Z-110427T1915Z/
EDGECOMBE NC-HALIFAX NC-
254 PM EDT WED APR 27 2011
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HALIFAX AND
EDGECOMBE COUNTIES IS CANCELLED...
THE SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAS WEAKENED AND
EXITED THE COUNTY. THEREFORE...THE WARNING HAS BEEN CANCELLED.
TO REPORT SEVERE WEATHER...PLEASE CONTACT THE NATIONAL WEATHER
SERVICE IN BLACKSBURG AT...1 8 6 6...2 1 5...4 3 2 4.
LAT...LON 3600 7739 3595 7737 3571 7770 3574 7773
3579 7776 3582 7775 3585 7777 3582 7773
3613 7746 3604 7734
TIME...MOT...LOC 1854Z 224DEG 29KT 3598 7768 3584 7759
$$
JJWhat 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 Raleigh, NC wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 27, 1:59 PM EDT, 13 minutes earlier.
Area forecast discussion, Apr 27, 1:59 PM EDT, 13 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RALEIGH NC
ISSUED BY NATIONAL WEATHER SERVICE BLACKSBURG VA
159 PM EDT WED APR 27 2011
.SYNOPSIS...
SOUTHERLY FLOW WILL CONTINUE TO PUMP A WARM MOIST AIR MASS INTO THE
CAROLINAS TODAY AHEAD OF A COLD FRONT THAT WILL CROSS CENTRAL
NORTH CAROLINA ON THURSDAY.
&&
.NEAR TERM /THROUGH TONIGHT/...
AS OF 125 PM WEDNESDAY...
TORNADO WATCH 233 ISSUED FOR THE ENTIRE AREA UNTIL 8 PM TODAY.
NO OTHER CHANGES TO THE GRIDS EXCEPT ADDING DAMAGING WINDS/LARGE
HAIL POTENTIAL WITH ANY THUNDERSTORM.
PREV DISCUSSION...
SCATTERED SHOWERS HAVE DEVELOPED RAPIDLY ALONG THE I 95 CORRIDOR
THIS MORNING IN AN AREA OF LOW LEVEL MOISTURE CONVERGENCE THAT
SHOWS UP WELL ON THE SPC MESOSCALE ANALYSIS PAGE. THESE SHOWERS
ARE DEVELOPING DESPITE PLENTIFUL LOW CLOUDS ACROSS THE CWA AND
LITTLE HEATING. SHOWS HOW UNSTABLE AND WEAKLY CAPPED THE AIRMASS
IS DUE TO VERY MOIST CONDITIONS...WITH PWATS WELL ABOVE AVERAGE. I
HAVE INCREASED POPS THIS MORNING TO ACCOUNT FOR SCATTERED COVERAGE
IN THE EASTERN CWA...THEN ALSO INCREASED POPS THIS AFTERNOON SO
THAT ALL AREAS WILL HAVE SCATTERED COVERAGE OF THUNDERSTORMS.
STILL A THREAT FOR ISOLATED SEVERE THUNDERSTORMS LATE THIS
AFTERNOON...WITH MODIFIED GSO SOUNDING INDICATING A 1500 J/KG CAPE
LIKELY AND STRONG ENOUGH WIND FIELDS TO SUPPORT MULTICELL
CLUSTERS. DAMAGING WINDS WOULD BE THE MAIN THREAT...WITH LARGE
HAIL POSSIBLE IN THE STRONGEST STORMS. CURRENT HIGH RESOLUTION
MODELS ARE HINTING THAT THE NW PIEDMONT WILL HAVE THE BEST
COVERAGE LATE THIS AFTERNOON...BUT MODEL FIELDS HAVE LITTLE TO
FOCUS CONVECTION ON- WILL LIKELY BE ANY AREAS WITH EVEN WEAK LOW
LEVEL CONVERGENCE. WITH SUCH HIGH PWATS...ANY THUNDERSTORMS WILL
HAVE HEAVY DOWNPOURS...BUT SHOULD BE MOVING ALONG KEEPING HEAVY
DOWNPOURS BRIEF.
LOOKING AT THE MORNING THICKNESS FROM THE GSO SOUNDING...EVEN
PARTIAL SUNSHINE SUPPORTS THE CURRENT HIGH TEMP FCST OF MAINLY MID
80S...SO ONLY MINOR ADJUSTMENTS TO HOURLY TEMPS WERE MADE. HAD TO
RAISE DEWPOINTS A FEW DEGREES THOUGH. WILL BE A MUGGY AFTERNOON.
AS OF 305 AM WEDNESDAY...
CURRENTLY WATER VAPOR AND INFRARED SATELLITE IMAGERY SHOWS ANY
REMAINING CONVECTION DYING OUT OVER THE COASTAL PLAIN OR MOVING OFF
OF THE NORTH CAROLINA COAST. SOME SCATTERED THUNDERSTORMS HAVE
DEVELOPED JUST EAST OF THE MOUNTAINS AND ARE MAKING PROGRESS TO THE
NORTHEAST. WILL EXPECT THE MAJORITY OF THESE STORMS TO REMAIN WEST
OF THE CWA UNTIL AT LEAST DAYBREAK BUT CANT RULE OUT A SHOWER OR
THUNDERSTORM ROAMING INTO THE TRIAD. MOST PLACES NOW SHROUDED OVER
IN MVFR STRATUS IN THE 1-2 KFT RANGE AND THEREFORE WILL GO WITH
RELATIVELY UNIFORM LOWS 65-67.
EXPECT SOUTHERLY FLOW TO CONTINUE TODAY AS CENTRAL NC REMAINS IN
BETWEEN THE SUBTROPICAL HIGH OFFSHORE AND THE APPROACHING FRONTAL
SYSTEM TO THE WEST. A SOMEWHAT DRIER DAY THAN YESTERDAY AS UPPER
LEVEL HEIGHT RISES WILL BRING IN MORE SUBSIDENT CONDITIONS...MAKING
IT HARDER TO SUSTAIN CONVECTION. WATER VAPOR TO THE WEST CURRENTLY
INDICATES A DRY ZONE FROM THE GULF COAST NORTHWARD THROUGH WESTERN
NEW YORK THAT IS EXPECTED TO PROPAGATE WESTWARD OVER THE AREA LATER
ON TODAY. THAT BEING SAID...WE ARE IN A SLIGHT RISK FOR SEVERE
STORMS AND INSTABILITY WILL NOT BE A PROBLEM IF SOMETHING DOES BREAK
THROUGH THE CAP AND MID LEVEL LAPSE RATES ARE DECENT. EXPECT CHANCES
FOR THUNDERSTORM ACTIVITY TO INCREASE AS THE DAY GOES ON AS HEATING
INCREASES AND OMEGA ALSO BEINGS TO IMPROVE AHEAD OF THE APPROACHING
SYSTEM. CONDITIONS WILL BE BETTER ACROSS THE WESTERN PIEDMONT
THEREFORE WILL GO WITH SCATTERED THUNDERSTORMS BY LATE AFTERNOON
VERSUS MORE ISOLATED IN THE EAST. EXPECT HIGHS 84-88 ACROSS THE
AREA. EXPECTING LOWS TOMORROW NIGHT INTO THURSDAY MORNING TO BE
HIGHER THAN TONIGHT AS CLOUD COVER INCREASES AS THE SYSTEM
APPROACHES...67-71.
&&
.SHORT TERM /THURSDAY THROUGH SATURDAY/...
AS OF 305 AM WEDNESDAY...
SEVERE THUNDERSTORMS WITH DAMAGING WINDS AND ISOLATED TORNADOES
POSSIBLE THURSDAY INTO THURSDAY EVENING...
THE BIGGEST CHANGE TO THE SHORT TERM FORECAST IN THIS PACKAGE WILL
BE THE TIMING OF THE FRONTAL SYSTEM. BOTH 0Z RUNS OF THE GFS AND THE
NAM INDICATE A SLOWER FRONTAL PASSAGE...NOW APPROACHING THE TRIAD
CLOSER TO 12Z...CROSSING THE TRIANGLE BY 18Z AND HEADING OFF TO THE
EAST SOMETIME AFTER 00Z FRIDAY...MAKING THE DIURNAL TIMING MORE
IDEAL FOR THIS EVENT. MODEL SOUNDINGS STILL INDICATE STRONG VEERING
OF THE WIND IN THE LOWER LEVELS WHILE BACKING WITH HEIGHT SETTING UP
FAVORABLE CONDITIONS FOR DAMAGING WINDS AND ISOLATED TORNADOES.
INSTABILITY ON THURSDAY AFTERNOON WILL BE GREATEST TO THE
EAST...UPWARDS OF 1500 J/KG BY THURSDAY AFTERNOON. AS FAR AS SHEAR
PARAMETERS GO...THE BEST 0-6 KM SHEAR WILL BE IN THE WEST AS THE
SYSTEM CROSSES THE AREA...BUT THE 0-1 KM SHEAR WILL BE MORE HEAVILY
FAVORED IN THE EAST. EXPECT THIS TO BE A DAMAGING WIND QLCS EVENT
WITH SOME EMBEDDED TORNADOES POSSIBLE. EXPECT THE TORNADO THREAT TO
INCREASE FURTHER EAST AS THE 0-1 KM SHEAR INCREASES BUT GIVEN THE
50+ KNOT LOW-LEVEL JET AND THE STRONG VEERING OF THE WINDS IN THE
LOW LEVELS...CAN NOT RULE OUT THE TORNADO THREAT IN THE WEST EITHER.
ALTHOUGH THE HAIL THREAT IS NON-ZERO...SKINNY CAPE PROFILES WILL
MAKE THE SEVERE HAIL THREAT MORE UNLIKELY. TEMPERATURES A LITTLE
TRICKY FOR THURSDAY BASED ON THE TIMING OF THE FRONT AND HOW
CONVECTION PLAYS OUT...79-83. AFTER THE FRONTAL PASSAGE EXPECT WINDS
TO SHIFT AROUND TO NORTHWESTERLY AND COLD AIR ADVECTION TO ENSUE.
QUITE A BIT COOLER THURSDAY NIGHT...49 NORTHWEST TO 54 SOUTHEAST.
-ELLIS
FRIDAY:
MID/UPPER LEVEL TROUGH AXIS ALONG WITH A SECONDARY COLD FRONT IS
EXPECTED TO SWING THROUGH THE AREA ON FRIDAY. HOWEVER... WITH LACK
OF ANY SIGNIFICANT MOISTURE THROUGH THE COLUMN EXPECT WE WILL ONLY
SEE ANY INCREASE IN CLOUD COVER ON FRIDAY AFTERNOON... WITH SKIES
BECOMING CLEAR BY SUNSET WITH THE LOSS OF HEATING AN SUBSIDENCE
BEHIND THE EXITING TROUGH. WITH A DEEP DRY DRY SUB CLOUD LAYER
EXPECTED ALONG WITH A WEST TO WEST-NORTHWESTERLY DOWNSLOPE FLOW...
EXPECT WE WILL SEE HIGH TEMPS IN THE MID TO UPPER 70S ACROSS CENTRAL
NC. -BSD
&&
.LONG TERM /SATURDAY NIGHT THROUGH WEDNESDAY/...
AS OF 1255 PM WEDNESDAY...
GENERALLY FOLLOWING AN HPC SOLUTION HERE WHICH LEANS TOWARD A BLEND
OF THE GFS/ECMWF TO END THE WEEKEND THEN MORE OF AN ENSEMBLE
SOLUTION THEREAFTER.
SAT NIGHT INTO SUNDAY WILL SEE RIDGE OVER THE AREA SHIFTING EAST AS
NEXT STORM SYSTEM WORKS INTO THE CENTRAL U.S. WITH A SPLIT FLOW
REGIME WITH ONE STRONG SHORTWAVE MOVING SLOWLY EAST ACROSS THE UPPER
MIDWEST AND THE SRN STREAM WAVE WORKING INTO THE LOWER MISSOURI
VALLEY AND SRN PLAINS BY MONDAY. AHEAD OF THIS SYSTEM WE SHOULD BE
DRY WITH INCREASING HUMIDITIES...AND TEMPS AS HIGHS BY MONDAY WILL
BE IN THE LOWER TO MID 80S. AS THE SRLY FLOW INCREASES MONDAY AND
THE COLD FRONT PUSHES INTO THE TN/OHIO VALLEYS...THE CHANCE OF
AFTN/EVENING THUNDERSTORMS INCREASES...WITH A BETTER CHANCE ARRIVING
MON NIGHT AS THE FRONT PROGESSES INTO CENTRAL NORTH CAROLINA.
THE CONFIGURATION OF THE UPPER AIR PATTERN AND FRONT SUGGESTS
POTENTIAL FOR A LINEAR STORM ORGANIZATION...AND SVR POTENTIAL WITH
WIND GUSTS. ALSO...WEAK WAVE OF LOW PRESSURE MOVING ALONG THE FRONT
MONDAY NIGHT COULD BACK THE LOW LVL FLOW ENOUGH TO INCREASE HELICITY
LEADING TO POTENTIAL TORNADIC THREAT. STILL EARLY TO CALL IT...BUT
SEEMS WE COULD BE LOOKING AT SOME SVR WX POTENTIAL IN THE MON-TUE
TIME FRAME...ALTHOUGH IF MAIN LINE COMES IN AT NIGHT...THIS MAY
LIMIT THE THREAT.
SHOULD SEE THINGS GETTING DRIER/COOLER BY MIDWEEK PER ENSEMBLE
SOLUTION...AS HIGH PRESSURE WORKS IN FROM THE WEST. A SLOWER ECWMF
SOLUTION WOULD DELAY THIS BY ANOTHER DAY AS IT TAKES ON A NEG TILT
TO THE UPPER TROUGH HANGING THE SFC FRONT UP ACROSS ERN NC.
&&
.AVIATION /18Z WEDNESDAY THROUGH MONDAY/...
AS OF 200 PM WEDNESDAY...
STRONG TO SEVERE TSRA SCATTERED THIS AFTN BUT AFFECTING AND RDU
ATTM...WITH ANOTHER STORM OVER RWI.
THE STORMS WILL REMAIN SCT THROUGH THE AFTN DIMINISHING THIS
EVENING. OUTSIDE ANY STORMS...VFR CONDITIONS WILL PREVAIL WITH
GUSTY SOUTH WINDS AT 20 TO 25 KNOTS. ANY TSRA WILL BRING
VSBYS/CIGS DOWN TO MVFR OR LOWER AT TIMES...BUT NOT ENOUGH
COVERAGE OR TIME OVER AIRPORT TO FORECAST PREDOMINANT MVFR CONDITIONS.
TONIGHT...LOOK FOR VFR CONDITIONS TO DETERIOTE TO IFR CIGS LATE
THIS EVENING INTO OVERNIGHT BEFORE A COLD FRONT MOVES IN AFTER
MIDNIGHT INTO WRN NC AND TRAVERSES THE STATE INTO THURSDAY. A LINE
OF SHOWERS AND STORMS EXPECTED WITH THIS FRONT AND TIMING
WISE...WILL SEE IMPACTS AT INT/GSO AROUND 12-14Z...RAH/FAY/RWI
AFTER 15Z. WITH THIS EXPECT MVFR CONDITIONS.
WINDS WILL SHIFT TO THE SOUTHWEST AS THE FRONT MOVES THROUGH THEN
WESTERLY BY THU EVENING. WIND SPEEDS DECREASE LATE ON THURSDAY
EVENING AS HIGH PRESSURE BEGINS TO BUILD INTO THE AREA. VFR
CONDITIONS ARE EXPECTED TO RETURN BY THURSDAY EVENING AND CONTINUE
THROUGH AT LEAST THRU THE WEEKEND.
THE NEXT SYSTEM MAY BRING LOWER CIGS MONDAY.
&&
.RAH WATCHES/WARNINGS/ADVISORIES...
NONE.
&&
SYNOPSIS...WP
NEAR TERM...JJ/WP
SHORT TERM...
LONG TERM...WP
AVIATION...WPHazardous weather outlook, Apr 27, 1:40 PM EDT, 32 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RALEIGH NC ISSUED BY NATIONAL WEATHER SERVICE BLACKSBURG VA 140 PM EDT WED APR 27 2011 NCZ007>011-021>028-038>043-073>078-083>086-088-089-281745- PERSON-GRANVILLE-VANCE-WARREN-HALIFAX-FORSYTH-GUILFORD-ALAMANCE- ORANGE-DURHAM-FRANKLIN-NASH-EDGECOMBE-DAVIDSON-RANDOLPH-CHATHAM-WAKE- JOHNSTON-WILSON-STANLY-MONTGOMERY-MOORE-LEE-HARNETT-WAYNE-ANSON- RICHMOND-SCOTLAND-HOKE-CUMBERLAND-SAMPSON- 140 PM EDT WED APR 27 2011 ...TORNADO WATCH 233 IN EFFECT UNTIL 8 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NORTH CAROLINA. .DAY ONE...THIS AFTERNOON AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. TORNADO WATCH. TORNADOES AND SEVERE THUNDERSTORMS ARE POSSIBLE ACROSS PORTIONS OF CENTRAL NORTH CAROLINA. TORNADOES CAN STRIKE QUICKLY... CAUSING EXTENSIVE DAMAGE... WHILE SEVERE THUNDERSTORMS PRODUCE HAIL QUARTER SIZE OR LARGER AND DAMAGING WINDS OF 58 MPH AND GREATER. IF STORMS THREATEN... REMEMBER THESE SAFETY GUIDELINES: TORNADO WINDS CAN DESTROY MOBILE HOMES...SEVERELY DAMAGE HOMES AND BUILDINGS... OVERTURN VEHICLES... AND COLLAPSE THE ROOFS OF STORES... GYMNASIUMS... AND CAFETERIAS. IF A TORNADO WARNING IS ISSUED OR A TORNADO IS MOVING TOWARDS YOUR AREA... ABANDON MOBILE HOMES AND SEEK SHELTER IN A STURDY BUILDING. IF YOU ARE INDOORS... TAKE SHELTER IN A BASEMENT. IF NO BASEMENT IS AVAILABLE... GO TO THE LOWEST FLOOR IN AN INTERIOR ROOM SUCH AS A CLOSET OR BATHROOM. STAY AWAY FROM DOORS... WINDOWS AND OUTSIDE WALLS. FLYING DEBRIS CAN EASILY PENETRATE EXTERIOR WALLS. PUT AS MANY WALLS BETWEEN YOU AND THE TORNADO AS YOU CAN. PROTECT YOURSELF FROM FLYING AND FALLING DEBRIS WITH PILLOWS OR BLANKETS. IF YOU ARE DRIVING AND A TORNADO THREATENS... SEEK SHELTER IN A STRONG BUILDING. DO NOT STOP UNDER OVERPASSES. IF NO SHELTER IS AVAILABLE... AS A LAST RESORT ABANDON THE VEHICLE AND LIE FLAT IN A LOW LYING AREA OR DITCH. MONITOR THE LATEST INFORMATION FROM THE NATIONAL WEATHER SERVICE BY LISTENING TO NOAA WEATHER RADIO OR BY VISITING OUR WEBSITE AT HTTP://WEATHER.GOV/RALEIGH. YOU CAN ALSO KEEP UP WITH THE LATEST WEATHER ON A WEB ENABLED CELL PHONE OR OTHER MOBILE DEVICE BY VISITING HTTP://MOBILE.WEATHER.GOV. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THURSDAY INTO THURSDAY EVENING...AS A COLD FRONT MOVES EAST ACROSS CENTRAL NORTH CAROLINA. THE STRONGEST STORMS WILL BE CAPABLE OF PRODUCING DAMAGING STRAIGHT LINE WINDS AND ISOLATED TORNADOES. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTER ACTIVATION MAY BE NEEDED. SPOTTERS SHOULD STAY TUNED AND REPORT ANY SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE.
In the hours before
Special weather statement, Apr 27, 1:29 PM EDT, 43 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
ISSUED BY NATIONAL WEATHER SERVICE BLACKSBURG VA
129 PM EDT WED APR 27 2011
NCZ007>010-024>026-040-041-271830-
CHATHAM NC-DURHAM NC-FRANKLIN NC-GRANVILLE NC-ORANGE NC-PERSON NC-
VANCE NC-WAKE NC-WARREN NC-
129 PM EDT WED APR 27 2011
...STRONG THUNDERSTORMS WILL AFFECT CHATHAM...DURHAM...FRANKLIN...
GRANVILLE...ORANGE...PERSON...VANCE...WAKE AND WARREN COUNTIES...
AT 128 PM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM 8 MILES
NORTHEAST OF HILLSBOROUGH TO CARY...MOVING NORTHEAST AT 35 MPH.
WIND GUSTS TO 50 MPH AND PEA-SIZED HAIL ARE POSSIBLE WITH THESE
STORMS.
THESE STORMS WILL BE NEAR ROUGEMONT...GORMAN...BAHAMA...AND RALEIGH
AROUND 140 PM...BUTNER AROUND 145 PM...SURL...AND MORIAH AROUND 150
PM...STEM...CREEDMOOR AND AND FALLS LAKE AROUND 155 PM.
LAT...LON 3615 7815 3563 7879 3616 7910 3655 7860
3655 7838
EXPERIMENTAL
JJLocal storm report, Apr 27, 1:39 PM EDT, 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
ISSUED BY NATIONAL WEATHER SERVICE BLACKSBURG VA
139 PM EDT WED APR 27 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0110 PM TSTM WND DMG HILLSBOROUGH 36.07N 79.10W
04/27/2011 ORANGE NC LAW ENFORCEMENT
TREES AND POWER LINES DOWN ON ST. MARYS STREET.
&&
WHPThe office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 1:29 PM EDT | Special Weather Statement | RAH | Durham, Franklin, Granville, Vance, Wake | 61 min |
| Apr 27, 1:36 PM EDT | Severe Thunderstorm Warning | RAH | Durham, Granville, Person, Vance, Warren | 54 min |
| Apr 27, 1:41 PM EDT | Severe Thunderstorm Warning | RAH | Durham, Franklin, Granville, Vance, Wake, Warren | 64 min |
| Apr 27, 1:48 PM EDT | Severe Thunderstorm Warning | RAH | Davidson, Forsyth, Guilford | 57 min |
| Apr 27, 2:01 PM EDT | Severe Thunderstorm Warning | RAH | Edgecombe, Halifax, Nash | 59 min |
| Apr 27, 5:43 PM EDT | Severe Thunderstorm Warning | RAH | Davidson, Forsyth, Guilford, Randolph | 62 min |
| Apr 27, 6:06 PM EDT | Severe Thunderstorm Warning | RAH | Durham, Granville, Orange, Person | 32 min |
| Apr 27, 6:17 PM EDT | Tornado Warning | RAH | Forsyth | 43 min |
| Apr 27, 6:19 PM EDT | Tornado Warning | RAH | Davidson, Forsyth, Guilford | 41 min |
| Apr 27, 7:06 PM EDT | Special Weather Statement | RAH | Guilford | 39 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 2011Every severe thunderstorm warning 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.