Alert archive / West Virginia / Special Weather Statements in 2011

Special Weather Statement, NWS Charleston, WV

May 12, 2011Pocahontas County, Webster County, West Virginia

NWS Charleston, WV issued this special weather statement at May 12, 2011, 11:08 AM EDT for Pocahontas County, Webster County, West Virginia. It was in force for 52 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: May 12, 2011, 11:08 AM EDT (15:08 UTC)
Expired: May 12, 2011, 12:00 PM EDT
In force: 52 min
Issued by: NWS Charleston, WV

Counties Pocahontas County, WV, Webster County, WV

The radar

The Charleston,WV radar (KRLX), 128 km from the middle of the area, began a volume at 15:08 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

Roanoke, VA (KRNK), launched 12:00Z, 3.1 hours before the alert went out and 172 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 58 J/kg
Mixed-layer CIN: -97 J/kg
Mixed-layer LCL: 515 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 175 m²/s²
0-3 km storm-relative helicity: 216 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at May 12, 10:35 AM EDT, 33 minutes earlier.

Area forecast discussion, May 12, 10:35 AM EDT, 33 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHARLESTON WV
1035 AM EDT THU MAY 12 2011

.SYNOPSIS...
AN OSCILLATING QUASI STATIONARY FRONT REMAINS IN THE AREA THROUGH
FRIDAY WITH ROUNDS OF SHOWERS AND THUNDERSTORMS ON TAP. BROAD LOW
PRESSURE MOVES IN THIS WEEKEND...WITH EFFECTS INTO NEXT WEEK.

&&

.NEAR TERM /THROUGH TONIGHT/...
STORMS ARE FIRING EARLY TODAY...WITH A FEW SVRS ALREADY BEING
ISSUED. LOCAL MODELS WERE SHOWING CONVECTION FIRING ALONG THE FRONT
AND 700MB DEFORMATION BAND BETWEEN 15 AND 17Z TODAY.  LOCAL MODELS
ARE TYPICALLY A BIT BEHIND REALITY SO PUSHED HIGHER POPS UP TO 15Z.
SADLY...THE RADAR IS INDICATING THOSE POPS ARE ALSO TOO SLOW. BASED
ON LOCATION OF FRONT AND DEFORMATION BAND...THINKING AREAS NORTH OF
A LINE BETWEEN HTS AND BKW WILL SEE THE VAST MAJORITY OF CONVECTION.
FOR TIMING...EXPECTING CONVECTION TO CONTINUE THROUGH THE REST OF
THE AFTERNOON.  SEVERE STORMS ARE A DEFINITE POSSIBILITY AS THE CWA
IS UNDER A SLIGHT RISK THROUGH THIS EVENING FOR DAMAGING WINDS AND
HAIL. MODEL CAPE VALUES ARE FORECAST TO BE OVER 2000 J/KG THIS
AFTERNOON AND EQUILIBRIUM LEVELS ARE AROUND 200MB LEADING TO STRONG
AND TALL STORMS.

WILL ALSO BE KEEPING AN EYE ON THE POSSIBILITY OF FLASH FLOODING
THIS AFTERNOON.  LUCKILY ATTM IT LOOKS LIKE THE AREAS THAT GOT HIT
HARD A FEW DAYS AGO WILL NOT GET RAINED ON TODAY.  HOWEVER THE NAM
HAS PW VALUES OVER 1.5 INCHES IN NORTHERN WV THIS AFTERNOON.  THIS
COMBINED WITH WEAK STEERING LEVEL FLOW AND POSSIBLE TRAINING COULD
LEAD TO WATER PROBLEMS.

OUTSIDE OF CONVECTION...MADE MINOR TWEAKS TO PREVIOUS FORECAST.

PREVIOUS DISCUSSION...
FRONTAL BOUNDARY REMAINS ACROSS THE AREA...WITH SOME CONVECTION
DEVELOPING JUST NORTH OF THE AREA OVERNIGHT. WEAKER CONVECTION
COULD BRUSH OUR EXTREME NORTHERN SECTIONS BUT CHANCES ARE LOW.
DELAYED THE ONSET OF LOW POPS MORE TOWARD 10Z ENTERING OUR CWA
MAINLY ACROSS THE NORTHERN AND CENTRAL SECTIONS AROUND 11Z.

BY THIS AFTERNOON...CONSENSUS AMONG MODELS SUGGEST CONVECTION
DEVELOPING MAINLY ACROSS THE NORTHERN SECTIONS INTO THE NORTH AND
CENTRAL MOUNTAINS FROM 19-23Z. MODELS SHOW AN UPPER LEVEL RIDGE
DRIFTING EAST THRU TONIGHT. MODEL SOUNDINGS SHOW SFC CAPE
EXCEEDING 2000 J/KG BY 21Z. HOWEVER...DO NOT SEE A STRONG TRIGGER
MECHANISM TO START UP CONVECTION. DRY AIR IN THE MID LEVELS WILL
REMAIN IN PLACE THROUGH TONIGHT. WITH EQUILIBRIUM LEVEL NEAR
40KFT...IF STORMS DEVELOP...THEY WILL BE TALL. THEREFORE...INCREASED
POPS TO LIKELY MAINLY NORTHERN SECTIONS.

&&

.SHORT TERM /FRIDAY THROUGH SATURDAY NIGHT/...
UNSETTLED WEATHER CONTINUES...UPPER RIDGE OVER THE REGION THURSDAY
NIGHT...VERY GRADUALLY GIVES WAY TO EFFECTS OF BROAD UPPER TROUGH
WHICH COMES IN SEVERAL WAVES.

DESPITE UPPER RIDGE...AND LACK OF SURFACE TRIGGER...MODELS AGREE
THAT A FAIRLY SOLID VORTICITY LOBE WILL PASS THROUGH THE RIDGE
THURSDAY NIGHT INTO FRIDAY...ALONG WITH UPPER LEVEL DIVERGENCE. HAVE
KEPT CHANCE POPS AROUND THURSDAY NIGHT AND RAMPED UP INTO
FRIDAY...WITH INSTABILITY OF DIURNAL HEATING COMBINING WITH THE
ABOVE FEATURES TO PRODUCE MORE SHOWERS AND THUNDERSTORMS.
MEANWHILE...CENTRAL PLAINS CUTOFF UPPER LOW /VERTICALLY STACKED WITH
BROAD SURFACE LOW/ OPENS UP AND SHIFTS OUR WAY SATURDAY AND SATURDAY
NIGHT...AS NEW TROUGH DIGS IN BEHIND IT INTO NEW CUTOFF LOW THAT
WILL IMPACT US DURING THE EXTENDED. DURING THIS
INTERPLAY...REPEATING EMBEDDED WAVES SLOWLY PASSING THROUGH THE
UPPER FLOW WILL KEEP THUNDERSTORM POSSIBILITIES FRIDAY NIGHT THROUGH
SATURDAY...WITH BEST CHANCE SATURDAY AFTERNOON WITH AID OF DIURNAL
HEATING.

UNSETTLED PATTERN YES...BUT NOT SEEING MUCH OPPORTUNITY FOR SEVERE
CONVECTION WITH FAIRLY NARROW CAPES AND WEAK FLOW. HOWEVER...THAT
WEAK FLOW AND APPROX 1.3 TO 1.5 INCHES OF PW THROUGH THE
PERIOD...COULD ONCE AGAIN LEAD INTO WATER ISSUES...ESPECIALLY FOR
AREAS THAT HAVE RECEIVED A LOT OF RECENT RAINFALL. WILL CONTINUE TO
HIGHLIGHT IN HWO AND RWS.

&&

.LONG TERM /SUNDAY THROUGH WEDNESDAY/...
STILL UNSETTLED PATTERN...YET GETTING ON THE COOLER SIDE OF
UNSETTLED. CUTOFF UPPER LEVEL LOW...OR AT LEAST BROAD UPPER LEVEL
TROUGH...WILL STAGNATE OVER OUR AREA. LOOSELY DEFINED SURFACE FRONT
WILL OOZE THROUGH SOMETIME AROUND SUNDAY OR SUNDAY NIGHT...AND
FRONTAL ZONE WILL THEN SITUATE OVER THE COAST INTO EARLY NEXT
WEEK...RESULTING IN COOLER TEMPERATURES AND MORE STABILITY. PREFER
ECMWF IN HOW IT PERSISTS CUT OFF UPPER LEVEL LOW IN OUR VICINITY
WELL INTO NEXT WEEK...AS OFTEN HAPPENS THIS TIME OF YEAR. THIS WILL
KEEP AT LEAST SHOWERS IN THE FORECAST THROUGH THE PERIOD BECAUSE OF
MOISTURE AND COLD CORE ALOFT.

&&

.AVIATION /14Z THURSDAY THROUGH MONDAY/...
RIVER VALLEY MVFR FOG DEVELOPING EARLY OVERNIGHT UNDER ABUNDANT LOW
LEVEL MOISTURE...BECOMING TEMPORARILY IFR BEFORE UPPER CLOUDS MOVE
IN FROM THE WEST.

FOG LIFTS BY 14Z FOR VFR CONDITIONS. BETTER CHANCE OF AFTERNOON
SHRA/TSRA TOMORROW AFTERNOON...MAINLY ACROSS NORTHERN SITES. LIGHT
AND VARIABLE WINDS OVERNIGHT WILL BECOME WESTERLY ON THURSDAY.

FORECAST CONFIDENCE AND ALTERNATE SCENARIOS THROUGH 12Z FRIDAY...

FORECAST CONFIDENCE: MEDIUM.

ALTERNATE SCENARIOS: TIMING AND LOCATION OF SHOWERS AND
THUNDERSTORMS COULD VARY...ESPECIALLY OVER SOUTHERN WEST VIRGINIA
AND SOUTHWEST VIRGINIA. FOG COULD BE MORE INTENSE AND WIDESPREAD
THAN FORECAST.

EXPERIMENTAL TABLE OF FLIGHT CATEGORY OBJECTIVELY SHOWS CONSISTENCY
OF WFO FORECAST TO AVAILABLE MODEL INFORMATION:
H = HIGH:   TAF CONSISTENT WITH ALL MODELS OR ALL BUT ONE MODEL.
M = MEDIUM: TAF HAS VARYING LEVEL OF CONSISTENCY WITH MODELS.
L = LOW:    TAF INCONSISTENT WITH ALL MODELS OR ALL BUT ONE MODEL.

UTC 1HRLY       14   15   16   17   18   19   20   21   22   23   00   01
EDT 1HRLY       10   11   12   13   14   15   16   17   18   19   20   21
CRW CONSISTENCY  H    H    H    H    H    H    H    H    H    H    H    H
HTS CONSISTENCY  H    H    H    H    H    H    H    H    H    H    H    H
BKW CONSISTENCY  M    H    H    H    H    H    H    H    H    H    H    H
EKN CONSISTENCY  L    H    H    H    H    H    H    H    H    H    H    H
PKB CONSISTENCY  H    H    H    H    H    H    H    H    H    H    H    H
CKB CONSISTENCY  H    H    H    H    H    H    H    H    H    H    H    H

AFTER 12Z FRIDAY...
IFR CONDITIONS EXPECTED UNDER SHOWERS AND STORMS THIS WEEKEND.

&&

.RLX WATCHES/WARNINGS/ADVISORIES...
WV...NONE.
OH...NONE.
KY...NONE.
VA...NONE.

&&

SYNOPSIS...26/ARJ/JEE
NEAR TERM...JEE/ARJ
SHORT TERM...26
LONG TERM...MDP
AVIATION...ARJ

Hazardous weather outlook, May 12, 4:02 AM EDT, 7 hours 6 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHARLESTON WV
402 AM EDT THU MAY 12 2011

OHZ066-067-075-076-083>087-WVZ005>011-013>020-024>040-046-047-130815-
PERRY-MORGAN-ATHENS-WASHINGTON-JACKSON-VINTON-MEIGS-GALLIA-LAWRENCE-
WAYNE-CABELL-MASON-WOOD-PLEASANTS-TYLER-LINCOLN-PUTNAM-KANAWHA-ROANE-
WIRT-CALHOUN-RITCHIE-DODDRIDGE-MINGO-LOGAN-BOONE-CLAY-BRAXTON-GILMER-
LEWIS-HARRISON-TAYLOR-MCDOWELL-WYOMING-RALEIGH-FAYETTE-NICHOLAS-
WEBSTER-UPSHUR-BARBOUR-POCAHONTAS-RANDOLPH-
402 AM EDT THU MAY 12 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST OHIO...CENTRAL WEST
VIRGINIA...NORTHERN WEST VIRGINIA...SOUTHERN WEST VIRGINIA AND
WESTERN WEST VIRGINIA.

.DAY ONE...TODAY AND TONIGHT.

THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS TODAY.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

KYZ101>103-105-VAZ003-004-130815-
GREENUP-CARTER-BOYD-LAWRENCE-DICKENSON-BUCHANAN-
402 AM EDT THU MAY 12 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST KENTUCKY AND
SOUTHWEST VIRGINIA.

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, May 12, 9:24 AM EDT, 1 hour 44 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
924 AM EDT THU MAY 12 2011

OHZ067-076-121415-
MORGAN OH-WASHINGTON OH-
924 AM EDT THU MAY 12 2011

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN WASHINGTON AND
SOUTHEASTERN MORGAN COUNTIES...

AT 923 AM EDT...A STRONG THUNDERSTORM WAS LOCATED 6 MILES EAST OF
CHESTERHILL...MOVING EAST AT 10 MPH.

THIS STORM WILL PRODUCE HAIL UP TO DIME SIZE. VERY HEAVY RAIN WILL
FALL FROM THIS STORM...AND WILL CAUSE WATER TO POND ON ROADS AND
QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.

THIS STORM WILL BE NEAR BEVERLY AROUND 955 AM...BEVERLY AROUND 1000
AM AND LOWELL AROUND 1015 AM.

THIS WILL IMPACT THE FOLLOWING INTERSTATE...I-77 BETWEEN MILE MARKERS
3 AND 16 IN OHIO.

PLEASE REPORT SIGNIFICANT WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

LAT...LON 3964 8141 3961 8139 3941 8144 3940 8147
      3939 8148 3945 8183 3955 8185 3961 8159
      3959 8158 3959 8149 3963 8148 3964 8145

TAX

Local storm report, May 12, 9:48 AM EDT, 1 hour 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON, WV
948 AM EDT THU MAY 12 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0946 AM     HAIL             BEVERLY                 39.55N  81.64W
05/12/2011  E0.25 INCH       WASHINGTON         OH   TRAINED SPOTTER

&&

EVENT NUMBER RLX1100603

JFD

Local storm report, May 12, 9:49 AM EDT, 1 hour 19 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON, WV
949 AM EDT THU MAY 12 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0946 AM     HAIL             3 WSW BEVERLY           39.54N  81.68W
05/12/2011  E0.25 INCH       WASHINGTON         OH   TRAINED SPOTTER

&&

EVENT NUMBER RLX1100604

NW

Special weather statement, May 12, 9:57 AM EDT, 1 hour 11 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
957 AM EDT THU MAY 12 2011

OHZ076-WVZ010-011-019-020-121445-
DODDRIDGE WV-PLEASANTS WV-RITCHIE WV-TYLER WV-WASHINGTON OH-
957 AM EDT THU MAY 12 2011

...A STRONG THUNDERSTORM WILL AFFECT EAST CENTRAL WASHINGTON...
NORTHEASTERN RITCHIE...NORTHWESTERN DODDRIDGE...PLEASANTS AND TYLER
COUNTIES...

AT 955 AM EDT...A STRONG THUNDERSTORM WAS LOCATED 6 MILES WEST OF
MIDDLEBOURNE...MOVING SOUTHEAST AT 15 MPH.

THIS STORM WILL PRODUCE HAIL UP TO NICKEL SIZE. 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 WICK AROUND 1010 AM...MIDDLEBOURNE AROUND
1015 AM...MOUNTAIN AROUND 1030 AM...ALMA AROUND 1040 AM AND CANTON
AROUND 1045 AM.

PLEASE REPORT SIGNIFICANT WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

LAT...LON 3957 8103 3955 8103 3957 8100 3941 8057
      3923 8093 3949 8119 3958 8106 3958 8104

TAX

Local storm report, May 12, 10:50 AM EDT, 18 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON WEST VIRGINIA
1050 AM EDT THU MAY 12 2011

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

1013 AM     HAIL             MIDDLEBOURNE            39.48N 80.90W
05/12/2011  U0.50 INCH       TYLER              WV   PUBLIC

            EVENT OCCURRED BETWEEN
            958 AM 05/12/2011 AND 1013 AM 05/12/2011

&&

NNNN

Special weather statement, May 12, 11:08 AM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
1108 AM EDT THU MAY 12 2011

WVZ028-038-039-046-047-121600-
BRAXTON WV-POCAHONTAS WV-RANDOLPH WV-UPSHUR WV-WEBSTER WV-
1108 AM EDT THU MAY 12 2011

...STRONG THUNDERSTORMS WILL AFFECT EAST CENTRAL BRAXTON...NORTHERN
POCAHONTAS...SOUTHWESTERN RANDOLPH...SOUTHWESTERN UPSHUR AND WEBSTER
COUNTIES...

AT 1104 AM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM 17 MILES
SOUTH OF BUCKHANNON TO 15 MILES NORTH OF WEBSTER SPRINGS TO 10 MILES
EAST OF SUTTON...MOVING SOUTHEAST AT 15 MPH.

THESE STORMS WILL PRODUCE HAIL UP TO DIME SIZE. LOCALIZED DOWNPOURS WILL
FALL FROM THESE STORMS...AND WILL CAUSE WATER TO POND ON ROADS AND
QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.

THESE STORMS WILL BE NEAR HOLLY RIVER STATE PARK AROUND 1120 AM...
HELVETIA AROUND 1125 AM...DIANA AROUND 1140 AM AND WANETA AROUND
NOON.

PLEASE REPORT SIGNIFICANT WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

LAT...LON 3826 7998 3817 8030 3875 8066 3878 8046
      3877 8044 3874 8046 3872 8044 3872 8041
      3874 8039 3879 8041 3883 8024 3846 7975

TAX

The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 12, 8:31 AM EDT	Special Weather Statement	RLX	Braxton, Webster	29 min
May 12, 9:00 AM EDT	Severe Thunderstorm Warning	RLX	Braxton, Webster	60 min
May 12, 9:57 AM EDT	Special Weather Statement	RLX	Tyler	48 min
May 12, 10:04 AM EDT	Severe Thunderstorm Warning	RLX	Doddridge, Pleasants, Ritchie, Tyler	56 min
May 12, 10:21 AM EDT	Flash Flood Warning	RLX	Tyler	114 min
May 12, 10:54 AM EDT	Severe Thunderstorm Warning	RLX	Doddridge, Gilmer, Lewis, Ritchie, Tyler	66 min
May 12, 11:46 AM EDT	Special Weather Statement	RLX	Doddridge, Gilmer, Lewis, Ritchie, Upshur, Webster	3 hr
May 12, 12:24 PM EDT	Severe Thunderstorm Warning	RLX	Braxton, Lewis, Randolph, Upshur, Webster	66 min
May 12, 12:28 PM EDT	Flash Flood Warning	RLX	Braxton, Gilmer, Lewis	2 hr
May 12, 12:39 PM EDT	Severe Thunderstorm Warning	RLX	Braxton, Calhoun, Gilmer	66 min
May 12, 12:44 PM EDT	Flash Flood Warning	RLX	Braxton, Pocahontas, Randolph, Upshur, Webster	3 hr
May 12, 1:36 PM EDT	Severe Thunderstorm Warning	RLX	Braxton, Calhoun, Clay, Nicholas, Roane, Webster	41 min
May 12, 4:40 PM EDT	Special Weather Statement	RLX	Wood	35 min
May 12, 9:24 AM EDT	Special Weather Statement	RLX	Washington	51 min

Nearby

Special Weather Statements in West Virginia, 2011 Every special weather statement 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.