Alert archive / Ohio / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 131, NWS Pittsburgh, PA

August 9, 2001Coshocton County, Ohio

NWS Pittsburgh, PA issued this severe thunderstorm warning at Aug 9, 2001, 7:41 PM EDT for Coshocton County, Ohio. It was in force for 64 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: Aug 9, 2001, 7:41 PM EDT (23:41 UTC)
Expired: Aug 9, 2001, 8:45 PM EDT
In force: 64 min
Issued by: NWS Pittsburgh, PA
Area: Whole counties

County Coshocton County, OH

What was reported inside it

Time	Report	Where	Remark
Aug 9, 7:55 PM EDT	Thunderstorm Wind	New Castle, OH	Thunderstorm winds downed numerous trees across western sections of the county.

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 12:00Z, 11.7 hours before the alert went out and 155 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: 1744 J/kg
Mixed-layer CIN: -44 J/kg
Mixed-layer LCL: 925 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 12 m²/s²
0-3 km storm-relative helicity: 15 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

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 Aug 9, 3:24 PM EDT, 4 hours 17 minutes earlier.

Area forecast discussion, Aug 9, 3:24 PM EDT, 4 hours 17 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PITTSBURGH PA
324 PM EDT THU AUG 9 2001

OPPRESSIVE HEAT/HUMIDITY WILL CONT INTO FRI BEFORE FRONTAL BNDRY
EXPECTED TO MOVE FROM LWR GT LKS 12Z/10 TO SWRN PA BY FRI EVE.
CWA WILL BE IS SLIGHT RISK AS WELL. AVN MDL IS FASTER THAN MESOETA
IN MOVING BNDRY SOUTH OF NRN WVA ZONES SAT MRNG...WILL COMPROMISE
AND KEEP LOW CHC POPS THERE SAT THOUGH.
PWS BY LATE TNGT WILL INCREASE NR 1.8 SPCLY SRN 2/3RDS CWA ALONG
WITH UNSTABLE AIRMASS FRIDAY...SO ACTIVE DAY EXPECTED ALONG WITH
HEAVY RAINFALL AT TIMES AND PSBL STRONG WINDS.
LTR TNGT AND SPCLY FRI PRECEDING FRONT...AREAS WILL HAVE TO BE
MONITORED CLOSELY AS FFA MAY HAVE TO BE ISSUED SPCLY SRN CNTYS WHERE
FFG ARE LOWEST. CONCERN ADDITIONALLY IS ANY REMNANTS OF BARRY
SWINGING UP ALONG THE UPPER OHIO RIVER AND INTERACTING WITH BEACOUP
MOISTURE ALREADY IN PLACE AHEAD OF FRONT FRI.
IN XNTD WILL KEEP CHC POPS XTREME SRN CNTYS INTO WKND AND AS MID
WEEK APPROACHES WITH BNDRY TO S AND PSBL OVRNG.

PIT   71  83  62  81 /  50  80  40  20
HLG   72  84  63  81 /  50  80  40  20
MGW   72  85  64  81 /  50  80  60  40
ZZV   73  85  63  83 /  50  80  40  20
PHD   70  83  61  81 /  50  80  40  20
FKL   68  78  58  78 /  60  70  20  10
DUJ   67  77  57  76 /  60  70  20  10
LBE   72  85  63  82 /  50  80  40  20
BTP   69  79  59  78 /  50  80  20  10
IDI   69  81  60  79 /  50  80  20  10
ODM   70  85  63  80 /  50  80  60  40

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

In the hours before

Special weather statement, Aug 9, 7:11 PM EDT, 30 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
Aug 9, 6:46 PM EDT	Severe Thunderstorm Warning	PBZ	Beaver	44 min
Aug 9, 5:39 PM EDT	Severe Thunderstorm Warning	PBZ	Columbiana	36 min
Aug 9, 5:44 PM EDT	Severe Thunderstorm Warning	PBZ	Carroll	31 min
Aug 9, 6:00 PM EDT	Severe Thunderstorm Warning	PBZ	Jefferson	45 min
Aug 9, 6:12 PM EDT	Severe Thunderstorm Warning	PBZ	Columbiana	33 min
Aug 9, 7:26 PM EDT	Severe Thunderstorm Warning	PBZ	Muskingum	49 min

Nearby

Severe Thunderstorm Warnings in Ohio, 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.