Alert archive / West Virginia / Flash Flood Warnings in 1993

Flash Flood Warning 44, NWS Charleston, WV

April 16, 1993Hampshire County, Mineral County, West Virginia; Allegany County, Maryland

NWS Charleston, WV issued this flash flood warning at Apr 16, 1993, 6:48 AM EDT for Hampshire County, Mineral County, West Virginia; Allegany County, Maryland. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: Apr 16, 1993, 6:48 AM EDT (10:48 UTC)
Expired: Apr 16, 1993, 9:45 AM EDT
In force: 3 hr
Issued by: NWS Charleston, WV
Area: Whole counties

Counties Allegany County, MD, Hampshire County, WV, Mineral County, WV

The radar

The Sterling radar (KLWX), 121 km from the middle of the area, began a volume at 10:51 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.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 10.8 hours before the alert went out and 157 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2593 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 229 m²/s²
0-3 km storm-relative helicity: 370 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Apr 16, 1:44 AM EDT, 5 hours 4 minutes before

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Special weather statement, Apr 16, 2:42 AM EDT, 4 hours 6 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
        Please try again in a few minutes.
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The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 16, 12:44 AM EDT	Severe Thunderstorm Warning	RLX	Calhoun, Gilmer, Ritchie	31 min
Apr 16, 1:26 AM EDT	Severe Thunderstorm Warning	RLX	Clay, Nicholas	34 min
Apr 16, 1:48 AM EDT	Severe Thunderstorm Warning	RLX	Braxton, Gilmer	27 min
Apr 16, 1:52 AM EDT	Severe Thunderstorm Warning	RLX	Lewis	23 min
Apr 16, 6:48 AM EDT	Flash Flood Warning	RLX	Grant, Hardy, Pendleton	3 hr
Apr 16, 9:45 AM EDT	Flash Flood Warning	RLX	Hampshire, Mineral	3 hr
Apr 16, 9:45 AM EDT	Flash Flood Warning	RLX	Grant, Hardy, Pendleton	3 hr
Apr 16, 5:48 PM EDT	Flash Flood Warning	RLX	Mineral	3 hr
Apr 15, 11:36 PM EDT	Tornado Warning	RLX	Muskingum	39 min

Nearby

Flash Flood Warnings in West Virginia, 1993 Flash Flood Warnings in Maryland, 1993 Every flash flood warning in 1993

Sources

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