Alert archive / Virginia / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 116, NWS Baltimore/Washington
NWS Baltimore/Washington issued this severe thunderstorm warning at Jul 10, 2001, 7:36 PM EDT for Fauquier County, Virginia. It was in force for 54 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 10, 2001, 7:36 PM EDT (23:36 UTC)
- Expired
- Jul 10, 2001, 8:30 PM EDT
- In force
- 54 min
- Issued by
- NWS Baltimore/Washington
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Fauquier County, VA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 10, 7:45 PM EDT | Thunderstorm Wind | North Portion, VA | Trees were downed. |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 10, 1:45 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 11.6 hours before the alert went out and 42 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
- 37 J/kg
- Mixed-layer CIN
- -94 J/kg
- Mixed-layer LCL
- 1756 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 93 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Baltimore/Washington wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 10, 3:10 PM EDT, 4 hours 26 minutes earlier.
Area forecast discussion, Jul 10, 3:10 PM EDT, 4 hours 26 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON 310 PM EDT TUE JUL 10 2001 SCOPE GETTING A LTL COLORFUL TO THE N. CDFNT SRN PA PROGGED TO INCH THRU AREA LT THIS AFTN M-D LINE...ELY EVE WASH DC-W99... NR MIDNGT SRN MD-CHO. JET DYNAMICS DRIVING SVR THREAT. WBZ 11-12K FT REDUCING HAIL THREAT. STORMS ARE MVG W/ PWAT 1-1.5 IN SO NOT A HUGE FLOOD THREAT. WL USE ENHANCED WRDG IN EVE PD...SCT POPS. THRAFTR...CAA/LWR DEWPT ADVCTN FOR TMRW. FLW HAS SLGT DWNSLP COMPONENT...SO TEMPS NOT TOO MUCH LWR...BUT MUCH DRIER/MORE COMFY. CAA CONTS INTO TMRW NGT...MARKING BGNG OF BLO NRML TEMPS THRU END OF WK. AFTN PKG WIBIS ON SKED AT 1930 UTC/330 PM EDT. G'NGT! FCSTID = 50...HTS DCA 72 87 64 85 / 30 10 0 0 BWI 68 88 58 85 / 30 10 0 0 MRB 66 85 56 84 / 30 0 0 0 IAD 66 88 56 84 / 30 10 0 0 CHO 68 89 60 85 / 30 0 0 0 HGR 64 84 54 82 / 30 0 0 0 NHK 73 89 66 83 / 30 10 0 0 W99 62 82 52 80 / 30 0 0 0 .LWX... DC...NONE. MD...NONE. VA...NONE. WV...NONE.
In the hours before
Local storm report, Jul 10, 4:15 PM EDT, 3 hours 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON
415 PM EDT TUE JUL 10 2001
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION...^.
0410 PM EMMITSBURG MD 69 MPH TSTM WIND GUST
07/10/01 FREDERICK
MKMSpecial weather statement, Jul 10, 4:21 PM EDT, 3 hours 15 minutes before
MDZ002>007-009>011-VAZ028-031-042-WVZ049>053-102015- SPECIAL WEATHER STATEMENT...CORRECTION NATIONAL WEATHER SERVICE BALTIMORE-WASHINGTON 421 PM EDT TUE JUL 10 2001 ...STRONG TO SEVERE THUNDERSTORMS MOVING SOUTH OF THE PENNSYLVANIA BORDER... DOPPLER RADAR SHOWED TWO AREAS OF STRONG TO SEVERE THUNDERSTORMS MOVING FROM SOUTHERN PENNSYLVANIA INTO NORTHERN MARYLAND. THE FIRST AREA OF STORMS IS MOVING SOUTHEAST TOWARD THE WESTERN PANDHANDLE OF MARYLAND AND THE FAR EASTERN PANHANDLE OF WEST VIRGINIA. THE SECOND AREA OF STORMS IS MOVING INTO NORTHCENTRAL AND NORTHEAST MARYLAND TOWARD THE BALTIMORE METROPOLITAN AREA. BOTH AREAS OF STORMS HAVE A HISTORY OF PRODUCING DAMAGING WIND GUSTS...FREQUENT LIGHTNING AND HEAVY DOWNPOURS. WINDS UP TO 70 MPH HAVE BEEN REPORTED IN EMMITSBURG IN FREDERICK COUNTY MARYLAND. ANYONE PARTICIPATING IN OUTDOOR ACTIVITIES AS THESE STORMS APPROACH SHOULD SEEK SHELTER IMMEDIATELY. TAKE LOOSE OBJECTS INDOORS SUCH AS LAWN FURNITURE AND TRASH CANS BEFORE THE STORMS APPROACH. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE ENTIRE AREA THROUGH 9PM. STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTHER INFORMATION AND POSSIBLE WARNINGS THAT MAY BE ISSUED FOR THESE STORMS. MMARGRAF CORRECTION TO EXPIRATION TIME
Special weather statement, Jul 10, 4:24 PM EDT, 3 hours 12 minutes before
MDZ002>007-009>011-VAZ028-031-042-WVZ049>053-102215- SPECIAL WEATHER STATEMENT...CORRECTION NATIONAL WEATHER SERVICE BALTIMORE-WASHINGTON 424 PM EDT TUE JUL 10 2001 ...STRONG TO SEVERE THUNDERSTORMS MOVING SOUTH OF THE PENNSYLVANIA BORDER... DOPPLER RADAR SHOWED TWO AREAS OF STRONG TO SEVERE THUNDERSTORMS MOVING FROM SOUTHERN PENNSYLVANIA INTO NORTHERN MARYLAND. THE FIRST AREA OF STORMS IS MOVING SOUTHEAST TOWARD THE WESTERN PANDHANDLE OF MARYLAND AND THE FAR EASTERN PANHANDLE OF WEST VIRGINIA. THE SECOND AREA OF STORMS IS MOVING INTO NORTHCENTRAL AND NORTHEAST MARYLAND TOWARD THE BALTIMORE METROPOLITAN AREA. BOTH AREAS OF STORMS HAVE A HISTORY OF PRODUCING DAMAGING WIND GUSTS...FREQUENT LIGHTNING AND HEAVY DOWNPOURS. WINDS UP TO 70 MPH HAVE BEEN REPORTED IN EMMITSBURG IN FREDERICK COUNTY MARYLAND. ANYONE PARTICIPATING IN OUTDOOR ACTIVITIES AS THESE STORMS APPROACH SHOULD SEEK SHELTER IMMEDIATELY. TAKE LOOSE OBJECTS INDOORS SUCH AS LAWN FURNITURE AND TRASH CANS BEFORE THE STORMS APPROACH. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE ENTIRE AREA THROUGH 9PM. STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTnHER INFORMATION AND POSSIBLE WARNINGS THAT MAY BE ISSUED FOR THESE STORMS. MMARGRAF CORRECTION TO EXPIRATION TIME
Local storm report, Jul 10, 5:21 PM EDT, 2 hours 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON
521 PM EDT TUE JUL 10 2001
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0455 PM FROSTBURG MD .75 INCH HAIL
07/10/01 ALLEGANY REPORTED BY
SPOTTERS
MKMLocal storm report, Jul 10, 5:49 PM EDT, 1 hour 47 minutes before
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</html>Local storm report, Jul 10, 6:13 PM EDT, 1 hour 23 minutes before
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</html>The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 4:08 PM EDT | Severe Thunderstorm Warning | LWX | Loudoun | 52 min |
| Jul 10, 7:10 PM EDT | Severe Thunderstorm Warning | LWX | Warren | 50 min |
| Jul 10, 7:44 PM EDT | Severe Thunderstorm Warning | LWX | Prince William, City of Manassas, City of Manassas Park | 61 min |
| Jul 10, 3:40 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick | 65 min |
| Jul 10, 3:55 PM EDT | Tornado Warning | LWX | Carroll, Frederick | 50 min |
| Jul 10, 4:32 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 58 min |
| Jul 10, 4:32 PM EDT | Severe Thunderstorm Warning | LWX | City of Baltimore | 58 min |
| Jul 10, 4:40 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Howard | 65 min |
| Jul 10, 4:47 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 58 min |
| Jul 10, 4:53 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 52 min |
| Jul 10, 5:23 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, City of Baltimore | 37 min |
| Jul 10, 6:30 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 45 min |
| Jul 10, 5:27 PM EDT | Severe Thunderstorm Warning | LWX | Hampshire | 48 min |
| Jul 10, 5:55 PM EDT | Tornado Warning | LWX | Hampshire | 35 min |
Nearby
Severe Thunderstorm Warnings in Virginia, 2001Every 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.