Alert archive / West Virginia / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 1, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at Mar 18, 2021, 5:53 PM EDT for Marion County, Monongalia County, West Virginia. It was in force for 20 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
- Mar 18, 2021, 5:53 PM EDT (21:53 UTC)
- Expired
- Mar 18, 2021, 6:13 PM EDT
- In force
- 20 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
The radar
The Pittsburgh radar (KPBZ), 115 km from the middle of the area, began a volume at 21:55 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 |
|---|---|---|---|
| Mar 18, 6:00 PM EDT | HAIL 1 | Monongah, WV |
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, 9.9 hours before the alert went out and 102 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
- 555 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 229 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
282
WUUS51 KPBZ 182153
SVRPBZ
WVC049-061-182230-
/O.NEW.KPBZ.SV.W.0001.210318T2153Z-210318T2230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pittsburgh PA
553 PM EDT Thu Mar 18 2021
The National Weather Service in Pittsburgh has issued a
* Severe Thunderstorm Warning for...
Central Monongalia County in northern West Virginia...
Marion County in northern West Virginia...
* Until 630 PM EDT.
* At 552 PM EDT, a severe thunderstorm was located over Mannington,
moving east at 25 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...
Fairmont... Mannington...
Pleasant Valley... Winfield...
Barrackville... Monongah...
Fairview... Rivesville...
Grant Town... Farmington...
Worthington... Everettville...
This includes Interstate 79 in West Virginia between mile markers 130
and 144.
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 3944 8028 3945 8040 3959 8047 3971 8015
3945 7994 3939 8020
TIME...MOT...LOC 2152Z 250DEG 22KT 3952 8037
HAIL...1.00IN
WIND...60MPH
$$
RACKLEY1 follow-up statement
989
WWUS51 KPBZ 182213
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
613 PM EDT Thu Mar 18 2021
WVC049-061-182223-
/O.CAN.KPBZ.SV.W.0001.000000T0000Z-210318T2230Z/
Monongalia WV-Marion WV-
613 PM EDT Thu Mar 18 2021
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MONONGALIA AND MARION
COUNTIES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled. However heavy rain is
still possible with this thunderstorm.
LAT...LON 3944 8028 3945 8040 3959 8047 3971 8015
3945 7994 3939 8020
TIME...MOT...LOC 2207Z 250DEG 22KT 3956 8021
$$
RACKLEYThe office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 18, 4:55 PM EDT | Special Weather Statement | PBZ | Marion, Wetzel | 35 min |
| Mar 18, 5:38 PM EDT | Special Weather Statement | PBZ | Marion | 37 min |
| Mar 18, 7:23 PM EDT | Areal Flood Advisory | PBZ | Brooke, Hancock | 2 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.