Alert archive / West Virginia / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 2, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at May 4, 2021, 11:47 AM EDT for Marion County, Monongalia County, Preston County, West Virginia. It was in force for 28 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 4, 2021, 11:47 AM EDT (15:47 UTC)
- Expired
- May 4, 2021, 12:15 PM EDT
- In force
- 28 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Marion County, WV, Monongalia County, WV, Preston County, WV
The radar
The Pittsburgh radar (KPBZ), 124 km from the middle of the area, began a volume at 15:47 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 was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 4, 11:50 AM EDT | TSTM WND DMG | 2 E Fairmont, WV | TREE LIMBS / POWER LINE DOWN EAST OF FAIRMONT |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 3.8 hours before the alert went out and 109 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 662 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 157 m²/s²
- 0-3 km storm-relative helicity
- 163 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
475
WUUS51 KPBZ 041547
SVRPBZ
WVC049-061-077-041615-
/O.NEW.KPBZ.SV.W.0002.210504T1547Z-210504T1615Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pittsburgh PA
1147 AM EDT Tue May 4 2021
The National Weather Service in Pittsburgh has issued a
* Severe Thunderstorm Warning for...
Southeastern Monongalia County in northern West Virginia...
Northwestern Preston County in northeastern West Virginia...
Eastern Marion County in northern West Virginia...
* Until 1215 PM EDT.
* At 1147 AM EDT, a severe thunderstorm was located over Winfield, or
near Fairmont, moving east at 30 mph.
HAZARD...Wind gusts to 60 mph and quarter-size hail.
SOURCE...Radar.
IMPACT...Minor hail damage to vehicles is possible. Expect wind
damage to trees and power lines, resulting in some power
outages.
* Locations impacted include...
Morgantown... Fairmont...
Kingwood... Pleasant Valley...
Winfield... Barrackville...
Newburg... Brookhaven...
Rivesville... Grant Town...
Reedsville... Masontown...
This includes the following highways...
Interstate 68 in West Virginia between mile markers 1 and 5.
Interstate 79 in West Virginia between mile markers 135 and 151.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a building.
Please report severe weather by calling 412-262-1988, posting to
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH.
&&
LAT...LON 3938 7989 3944 7989 3945 7994 3942 8001
3940 8003 3939 8009 3941 8011 3940 8012
3940 8015 3959 8017 3965 7969 3937 7966
TIME...MOT...LOC 1547Z 256DEG 27KT 3951 8006
HAIL...1.00IN
WIND...60MPH
$$2 follow-up statements
471
WWUS51 KPBZ 041600
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
1200 PM EDT Tue May 4 2021
WVC049-061-077-041615-
/O.CON.KPBZ.SV.W.0002.000000T0000Z-210504T1615Z/
Monongalia WV-Preston WV-Marion WV-
1200 PM EDT Tue May 4 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM EDT
FOR SOUTHEASTERN MONONGALIA...NORTHWESTERN PRESTON AND EASTERN MARION
COUNTIES...
At 1200 PM EDT, a severe thunderstorm was located near Brookhaven, or
7 miles south of Westover, moving east at 30 mph.
HAZARD...Wind gusts to 60 mph and quarter-size hail.
SOURCE...Radar.
IMPACT...Minor hail damage to vehicles is possible. Expect wind
damage to trees and power lines, resulting in some power
outages.
Locations impacted include...
Morgantown... Kingwood...
Newburg... Brookhaven...
Reedsville... Masontown...
Tunnelton... Booth...
Gladesville... Browns Chapel...
Laurel Run... Cheat Lake...
This includes the following highways...
Interstate 68 in West Virginia between mile markers 1 and 4.
Interstate 79 in West Virginia between mile markers 143 and 151.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is occurring with this storm and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
Move to an interior room on the lowest floor of a building.
Please report severe weather by calling 412-262-1988, posting to
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH.
&&
LAT...LON 3938 7989 3944 7989 3945 7994 3949 8004
3960 8003 3965 7969 3937 7966
TIME...MOT...LOC 1600Z 256DEG 27KT 3953 7993
HAIL...1.00IN
WIND...60MPH
$$158
WWUS51 KPBZ 041610
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
1210 PM EDT Tue May 4 2021
WVC049-061-077-041620-
/O.EXP.KPBZ.SV.W.0002.000000T0000Z-210504T1615Z/
Monongalia WV-Preston WV-Marion WV-
1210 PM EDT Tue May 4 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MONONGALIA...
NORTHWESTERN PRESTON AND EASTERN MARION COUNTIES WILL EXPIRE AT 1215
PM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However heavy rain
is still possible with this thunderstorm.
LAT...LON 3938 7989 3944 7989 3945 7994 3949 8004
3960 8003 3965 7969 3937 7966
TIME...MOT...LOC 1610Z 256DEG 27KT 3953 7995
$$The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 10:13 AM EDT | Special Weather Statement | PBZ | Wetzel | 32 min |
| May 4, 11:39 AM EDT | Special Weather Statement | PBZ | Monongalia | 36 min |
| May 4, 6:00 PM EDT | Flash Flood Watch | PBZ | Marion, Monongalia, Wetzel | 11 hr |
Nearby
Severe Thunderstorm Warnings in West Virginia, 2021Every severe thunderstorm warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.