Alert archive / Maryland / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 112, NWS Baltimore/Washington
NWS Baltimore/Washington issued this severe thunderstorm warning at Jul 10, 2001, 5:23 PM EDT for Baltimore County, City of Baltimore, Maryland. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 10, 2001, 5:23 PM EDT (21:23 UTC)
- Expired
- Jul 10, 2001, 6:00 PM EDT
- In force
- 37 min
- Issued by
- NWS Baltimore/Washington
- Area
- Whole counties
Counties Baltimore County, MD, City of Baltimore, MD
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
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 9.4 hours before the alert went out and 46 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
- 31 J/kg
- Mixed-layer CIN
- -142 J/kg
- Mixed-layer LCL
- 1637 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 108 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, 2 hours 13 minutes earlier.
Area forecast discussion, Jul 10, 3:10 PM EDT, 2 hours 13 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
Special weather statement, Jul 10, 1:15 PM EDT, 4 hours 8 minutes before
DCZ001-MDZ002>007-009>011-013-014-016>018-VAZ021-025>031-036>042- 050>057-WVZ048>055-110000- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE BALTIMORE-WASHINGTON 115 PM EDT TUE JUL 10 2001 ...SEVERE THUNDERSTORMS POSSIBLE THIS AFTERNOON AND EVENING... THE STORM PREDICTION CENTER IN NORMAN OKLAHOMA HAS INDICATED THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON ACROSS EASTERN WEST VIRGINIA...MUCH OF MARYLAND...THE DISTRICT OF COLUMBIA...AND NORTHERN VIRGINIA. THE PRIMARY THREAT FROM THESE STORMS WILL BE DAMAGING WIND GUSTS. A COLD FRONT PUSHING SOUTH TOWARDS THE AREA WILL SPARK SHOWERS AND THUNDERSTORMS THIS AFTERNOON AND TONIGHT. THE COLD FRONT WILL ENTER NORTHERN MARYLAND LATE THIS AFTERNOON...AND CLEAR CENTRAL VIRGINIA AND SOUTHERN MARYLAND TOWARDS DAWN. STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR ANY POSSIBLE SEVERE WEATHER WATCHES OR WARNINGS. FOR ADDITIONAL bWEATHER INFORMATION, CHECK OUR WEB SITE AT HTTP://WWW.NWS.NOAA.GOV/ER/LWX. HTS
Special weather statement, Jul 10, 4:05 PM EDT, 1 hour 18 minutes before
MDZ002>007-009>011-VAZ028-031-042-WVZ049>053-102000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BALTIMORE-WASHINGTON 405 PM EDT TUE JUL 10 2001 ...STRONG TO SEVERE THUNDERSTORMS MOVING SOUTH OF THE PENNSYLVANIA BORDER... DOPPLER RADAR SHOWS 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 IN 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
Local storm report, Jul 10, 4:15 PM EDT, 1 hour 8 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, 1 hour 2 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, 59 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 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
MKMThe 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, 7:36 PM EDT | Severe Thunderstorm Warning | LWX | Fauquier | 54 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, 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 Maryland, 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; the sounding from the Mesonet's radiosonde archive.