Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 29, NWS Pittsburgh, PA

May 10, 20134 counties in Pennsylvania

NWS Pittsburgh, PA issued this severe thunderstorm warning at May 10, 2013, 4:43 PM EDT for 4 counties in Pennsylvania. It was in force for 47 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: May 10, 2013, 4:43 PM EDT (20:43 UTC)
Expired: May 10, 2013, 5:30 PM EDT
In force: 47 min
Issued by: NWS Pittsburgh, PA
Area: Storm-based polygon

Counties Armstrong County, PA, Butler County, PA, Clarion County, PA, Venango County, PA

The radar

The Pittsburgh radar (KPBZ), 78 km from the middle of the area, began a volume at 20:44 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.

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 Pittsburgh, PA wrote its last area forecast discussion before this severe thunderstorm warning went out at May 10, 2:44 PM EDT, 1 hour 59 minutes earlier.

Area forecast discussion, May 10, 2:44 PM EDT, 1 hour 59 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PITTSBURGH PA
244 PM EDT FRI MAY 10 2013

.SYNOPSIS...
SHOWERS AND THUNDERSTORMS WILL ACCOMPANY A COLD FRONT AS IT
APPROACHES AND PASSES THROUGH THE REGION OVERNIGHT INTO SATURDAY.
MUCH COOLER CONDITIONS SUNDAY AND MONDAY.

&&

.NEAR TERM /THROUGH SATURDAY/...
LEAD IMPULSE MOVING ACROSS KENTUCKY WITH LARGE AREA OF SHOWERS
AND THUNDERSTORMS WILL CROSS THE REGION THIS EVENING FOLLOWED BY
MAIN COLD FRONT LATER TONIGHT INTO EARLY SATURDAY WITH ADDITIONAL
SHOWERS AND STORMS. JUST ENOUGH DAYTIME WARMING TO CREATE CAPE
VALUES NEAR 1000 J/KG AND WHILE A FEW STORMS MAY PRODUCE WIND
GUSTS OVER 40KTS THIS EVENING NO WIDESPREAD SEVERE WEATHER IS
EXPECTED.

FRONT WILL PUSH EAST OF THE RIDGES DURING THE DAY SATURDAY WITH
TEMPERATURES NOT MOVING MUCH FROM MORNING LOWS. SHOWERS WILL
DECREASE WEST TO EAST DURING THE DAY DRIER AIR MOVES IN BEHIND
FRONT.

&&

.SHORT TERM /SATURDAY NIGHT THROUGH MONDAY/...
A SECONDARY COLD FRONT WILL MOVE QUICKLY SOUTH AND EAST ACROSS
REGION SATURDAY NIGHT WITH CHANCE POPS FOR SHOWERS. BEHIND THIS
FRONT SIGNIFICANTLY COLDER AT THE SURFACE AND ALOFT. HAVE KEPT
SLIGHT CHANCE POPS ACROSS THE NORTH SUNDAY AFTERNOON IN COLD FLOW
OF THE LAKES AND COLD POOL ALOFT. SURFACE RIDGE WILL BEGIN TO
BUILD IN ACROSS REGION BY SUNDAY NIGHT CLEARING SKIES AND ALLOWING
TEMPERATURES TO FALL WELL INTO THE 30S. FROST OR FREEZE POSSIBLE
SUNDAY NIGHT AND WILL HIGHLIGHT IN HWO. OVERALL TEMPERATURES JUST
A BIT UNDER MODEL MOS.

&&

.LONG TERM /MONDAY NIGHT THROUGH FRIDAY/...
MDL ENSEMBLES AND HPC CHARTS SHOW HIGH PRES IN CTRL ERLY IN THE
WEEK. A WRMFNT WL APRCH AND PASS E THRU THE AREA WED INTO WED NGT.
MDLS INDICATE SOME LMTD INSTAB WITH THE FNT SO INCLUDED CHC POPS FOR
SHWRS/TSTMS. MDL SOLNS DIFFER LATE IN THE PD...HOWEVER PREFERED THE
SLOWER ENSEMBLE SOLNS BRINGING A CDFNT SLOWLY THRU THE AREA FRI.
KEPT LOW CHC POPS ATTM DUE TO TIMING UNCERTAINTIES. EXP COOL TEMPS
ERLY IN THE WEEK...WITH ABV SEASONAL AVG READINGS RETURNING BY WED.

&&

.AVIATION /19Z FRIDAY THROUGH WEDNESDAY/...
VFR CONDS THIS AFTN WL DROP TO MVFR AS SHWRS/TSTMS MOVE IN AHD OF
AN APRCHG CDFNT. MENTIONED A PD OF TSTMS LT THIS AFTN...ALTHOUGH
WHERE INSTAB IS LESS N OF I 80 KEPT VCTS AS TSTM COVG SHOULD BE
MORE QUESTIONABLE THERE. CIGS SHOULD CONT TO LWR TNGT THRU MVFR TO
IFR OVRNGT. EXP FROPA AND A WSHFT TO THE WNW SAT MRNG WITH CIGS
GRDLY LIFTG BACK TO MVFR.

.OUTLOOK.../SATURDAY NIGHT THROUGH WEDNESDAY/...
RESTRNS ARE PSBL WITH A SECONDARY CDFNT SAT EVE...THEN VFR CONDS
EXPD WITH BLDG HIGH PRES INTO ERLY NXT WK. RESTRNS PSBL WED AS A
WRMFNT APRCHS.

&&

.PBZ WATCHES/WARNINGS/ADVISORIES...
MD...NONE.
OH...NONE.
PA...NONE.
WV...NONE.

&&

Hazardous weather outlook, May 10, 2:52 PM EDT, 1 hour 51 minutes before

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In the hours before

Special weather statement, May 10, 2:43 PM EDT, 2 hours before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
243 PM EDT FRI MAY 10 2013

OHZ039-040-049-050-058-059-068-069-WVZ002>004-012-101945-
BELMONT OH-BROOKE WV-CARROLL OH-GUERNSEY OH-HARRISON OH-JEFFERSON OH-
MARSHALL WV-MONROE OH-NOBLE OH-OHIO WV-TUSCARAWAS OH-WETZEL WV-
243 PM EDT FRI MAY 10 2013

...STRONG THUNDERSTORMS WILL AFFECT BELMONT...GUERNSEY...HARRISON...
MARSHALL...NORTH CENTRAL WETZEL...NORTHEASTERN NOBLE...NORTHERN
MONROE...OHIO...SOUTHEASTERN TUSCARAWAS...SOUTHERN BROOKE...SOUTHERN
JEFFERSON AND SOUTHWESTERN CARROLL COUNTIES...

AT 241 PM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM 3 MILES
WEST OF CAMBRIDGE TO 5 MILES NORTHEAST OF WOODSFIELD TO 5 MILES EAST
OF FAIRVIEW...MOVING NORTHEAST AT 30 MPH.

WIND GUSTS TO 40 MPH AND SMALL HAIL ARE POSSIBLE WITH THESE STORMS.

  LOCATIONS IMPACTED INCLUDE...
  PROCTOR...            FAIRVIEW...           WOODSFIELD...
  SENECAVILLE...        SENECA LAKE PARK...   ROUND BOTTOM...
  CLARINGTON...         CAMERON...            BYESVILLE...
  WOODLANDS...          CAMBRIDGE...          SOMERTON...

  HIGHWAYS IMPACTED INCLUDE...
  I-470 IN WEST VIRGINIA BETWEEN MILE MARKERS 0 AND 3.
  I-470 IN OHIO BETWEEN MILE MARKERS 0 AND 6.
  I-70 IN WEST VIRGINIA BETWEEN MILE MARKERS 0 AND 14.
  I-70 IN OHIO BETWEEN MILE MARKERS 171 AND 225.
  I-77 IN OHIO BETWEEN MILE MARKERS 37 AND 65.

PLEASE REPORT SIGNIFICANT WEATHER BY CALLING...412-262-1988...POSTING
TO THE NWS PITTSBURGH FACEBOOK PAGE...OR USING TWITTER
@NWSPITTSBURGH.

LAT...LON 4009 8172 4050 8138 4027 8068 4025 8052
      3982 8052 3968 8065 3975 8112 3995 8173

07

Special weather statement, May 10, 3:02 PM EDT, 1 hour 41 minutes before

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Special weather statement, May 10, 3:44 PM EDT, 59 minutes before

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Special weather statement, May 10, 4:16 PM EDT, 27 minutes before

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Local storm report, May 10, 4:31 PM EDT, 12 minutes before

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Special weather statement, May 10, 4:40 PM EDT, 3 minutes before

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The office that day

Everything else NWS Pittsburgh, PA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 10, 3:44 PM EDT	Special Weather Statement	PBZ	Allegheny, Beaver, Washington	61 min
May 10, 3:52 PM EDT	Severe Thunderstorm Warning	PBZ	Beaver, Butler, Lawrence	38 min
May 10, 4:40 PM EDT	Special Weather Statement	PBZ	Armstrong, Butler, Clarion, Jefferson, Lawrence, Mercer and 1 more	65 min
May 10, 4:51 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Clarion, Jefferson	39 min
May 10, 5:50 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette, Westmoreland	40 min
May 10, 6:08 PM EDT	Special Weather Statement	PBZ	Indiana, Jefferson	37 min
May 10, 2:43 PM EDT	Special Weather Statement	PBZ	Belmont, Guernsey, Harrison	62 min
May 10, 3:02 PM EDT	Special Weather Statement	PBZ	Coshocton, Guernsey, Muskingum, Noble	58 min
May 10, 4:16 PM EDT	Special Weather Statement	PBZ	Belmont, Harrison, Jefferson	29 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2013 Every severe thunderstorm warning in 2013

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.