Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 119, NWS Pittsburgh, PA

July 11, 2001Forest County, Pennsylvania

NWS Pittsburgh, PA issued this severe thunderstorm warning at Jul 11, 2001, 2:09 AM EDT for Forest County, Pennsylvania. It was in force for 36 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jul 11, 2001, 2:09 AM EDT (06:09 UTC)
Expired: Jul 11, 2001, 2:45 AM EDT
In force: 36 min
Issued by: NWS Pittsburgh, PA
Area: Whole counties

County Forest County, PA

What was reported inside it

Time	Report	Where	Remark
Jul 11, 2:30 AM EDT	Hail 1	Marionville, PA

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 6.2 hours before the alert went out and 142 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: 1171 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 1181 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: -18 m²/s²
0-3 km storm-relative helicity: 47 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 Jul 10, 10:54 PM EDT, 3 hours 15 minutes earlier.

Area forecast discussion, Jul 10, 10:54 PM EDT, 3 hours 15 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PITTSBURGH PA
1054 PM EDT TUE JUL 10 2001

UPDATED ZONES TO CLEAN UP WORDING WITH SVR TSTM WATCH ENDING. NO
OTHER CHANGES.

PIT   62  78  55  76 /  30  10  10  10
HLG   62  78  55  76 /  30  10  10  10
MGW   64  80  55  77 /  30  10  10  10
ZZV   64  80  55  77 /  30  10  10  10
PHD   62  78  55  76 /  30  10  10  10
FKL   60  75  52  74 /  30  10  10  10
DUJ   60  75  52  74 /  30  10  10  10
LBE   62  78  55  76 /  30  10  10  10
BTP   60  75  52  74 /  30  10  10  10
IDI   60  75  52  74 /  30  10  10  10
ODM   63  78  52  76 /  30  10  10  10

.PBZ...
MD...NONE.
OH...NONE.
PA...NONE.
WV...NONE.

In the hours before

Local storm report, Jul 10, 9:20 PM EDT, 4 hours 49 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH, PA
920 PM EDT TUE JUL 10 2001

TIME(EDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0815 PM    FAIRMONT                  WV   FLASH FLOODS
07/10/01   MARION                         ROUTE 19 FLOODED NEAR
                                          FAIRMONT AND NUMEROUS
                                          FLOODED IN FARMINGTON
                                          REPORTED BY EMERGENCY
                                          MANAGEMENT

0340 PM    CHESTER                   WV   .88 INCH HAIL
07/10/01   HANCOCK                        REPORTED BY LAW
                                          ENFORCEMENT

0430 PM    GERMAN TOWNSHIP           OH   WIND DAMAGE
07/10/01   HARRISON                       NUMEROUS TREES DOWN
                                          REPORTED BY SKYWARN
          x                                SPOTTERS

RCC

Special weather statement, Jul 10, 10:14 PM EDT, 3 hours 55 minutes before

MDZ001-WVZ012-021>023-041-110300-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
1014 PM EDT TUE JUL 10 2001

SEVERE THUNDERSTORM WATCH HAS BEEN CANCELED FOR THE FOLLOWING
COUNTIES...

IN WEST VIRGINIA...

  MARION          MONONGALIA      PRESTON         TUCKER
  WETZEL

IN MARYLAND...

  GARRETT

Local storm report, Jul 10, 10:44 PM EDT, 3 hours 25 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH, PA
1044 PM EDT TUE JUL 10 2001

TIME(EDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0800 PM    2 S PARSONS               WV   WIND DAMAGE
07/10/01   TUCKER                         TREE DOWN ACROSS RT 219, 2
                                          MILES SOUTH OF PARSONS
                                          REPORTED BY LAW ENFORCEMENT

RCC

Local storm report, Jul 10, 11:03 PM EDT, 3 hours 6 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH, PA
1103 PM EDT TUE JUL 10 2001

TIME(EDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0944 PM    SMITHFIELD                OH   1.00 INCH HAIL
07/10/01   JEFFERSON                      QUARTER SIZE HAIL IN
                                          SMITHFIELD, OHIO REPORTED
                                          BY PUBLIC

0545 PM    2 E UNIONTOWN             PA   WIND DAMAGE
07/10/01   FAYETTE                        NUMEROUS TREES DOWN 2
                                          MILES EAST OF UNIONTOWN
                                          REPORTED BY LAW ENFORCEMENT

0530 PM    PROSPERITY                PA   WIND DAMAGE
07/10/01   WASHINGTON                     NUMEROUS TREES DOWN NEAR
                                          PROSPERITY REPORTED BY LAW
                                          ENFORCEMENT

RCC

Special weather statement, Jul 11, 12:18 AM EDT, 1 hour 51 minutes before

MDZ001-WVZ023-041-110600-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
1218 AM EDT WED JUL 11 2001

...THUNDERSTORMS MOVING ACROSS THE REGION...

SCATTERED THUNDERSTORMS WILL MOVE ACROSS THE REGION THROUGH
THE EARLY MORNING HOURS ACCOMPANIED BY SMALL HAIL...FREQUENT
CLOUD TO GROUND LIGHTNING STRIKES AND GUSTY WINDS.
ALSO THESE STORMS MAY PRODUCE HEAVY RAINFALL OF UP TO ONE INCH
IN LESS THAN ONE HOUR. MOTORISTS SHOULD DRIVE WITH CAUTION
AND BE ALERT FOR REDUCED VISIBILITIES DUE TO RAIN AND FOG.

Special weather statement, Jul 11, 2:05 AM EDT, 4 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
Jul 10, 9:32 PM EDT	Severe Thunderstorm Warning	PBZ	Jefferson	43 min
Jul 10, 9:53 PM EDT	Severe Thunderstorm Warning	PBZ	Brooke, Ohio	52 min
Jul 10, 9:59 PM EDT	Flash Flood Warning	PBZ	Marion	3 hr
Jul 11, 12:52 AM EDT	Flash Flood Warning	PBZ	Marion	4 hr

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2001 Every severe thunderstorm warning in 2001

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.