Alert archive / Maryland / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 76, NWS Baltimore/Washington
NWS Baltimore/Washington issued this severe thunderstorm warning at Jun 13, 2003, 8:23 PM EDT for Harford County, Maryland. It was in force for 52 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
- Jun 13, 2003, 8:23 PM EDT (00:23 UTC)
- Expired
- Jun 13, 2003, 9:15 PM EDT
- In force
- 52 min
- Issued by
- NWS Baltimore/Washington
- Area
- Counties, with a storm outline in the text
County Harford County, MD
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 00:00Z, 0.4 hours before the alert went out and 195 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
- 1891 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 878 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
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 Jun 13, 2:25 PM EDT, 5 hours 58 minutes earlier.
Area forecast discussion, Jun 13, 2:25 PM EDT, 5 hours 58 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
225 PM EDT FRI JUN 13 2003
SHORT-TERM(TONIGHT-SAT)
LATEST SFC ANALYSIS SHOWS SFC MOIST AXIS WITH DEWPOINTS IN THE LOW
70S EXTENDING FROM CHO THRU CJR/IAD AND FDK. LEE-SIDE TROF EXTENDS
FROM W OF MRB THRU SHD AND WILL CONTINUE TO PROVIDE FOCUS FOR CURR
SHRA/TSRA ACTIVITY. EXPECTING ACTIVITY TO INCREASE IN COVERAGE
THROUGH THE REMAINDER OF THE AFTERNOON AND EARLY EVENING SO WILL
HAVE CAT POPS SIMILAR TO THE LAST TWO DAYS. MAIN THREAT WILL BE
TORRENTIAL DOWNPOURS AND FLASH FLOODING AS PWATS AOA 2.0 INS AND
1000-500MB RH IS AT 80%. CANT NEVER RULED OUT SVR IN THE SUMMER
TIME BUT THINK ANY SVR WILL BE LIMITED TO JUST ONE OR TWO EVENTS.
SAT...CDFNT OVR THE GREAT LKS WILL BEGIN TO ENTER NRN ZONES WITH
MORE SHRAS/TSRA AND MORE FLOODING PROBLEMS.
.LONG TERM...SAT NGT AND BEYOND...
CDFNT PUSHES THRU THE CWFA SAT NGT/EARLY SUN...WHICH WL BRING A
RATHER QUICK END TO THE SOPPING WET PATN OF THE PAST FEW DAYS. MDLS
IN GOOD AGRMT AS TO KEEPING SFC RIDGE OVR THE WRN ATL THRU MUCH OF
THE WK. MED RANGE MDLS IN SOME DISAGRMT AS TO THE TIMING AND
STRENGTH OF NEXT SW TROF TO EJECT OUT OF THE SW CONUS LATE IN THE WK
WITH THE NEXT CDFNT TO APCH WRN ZNS LATE FRI/SAT. ATTM PLAN ON
ADDING CHC POPS TO FRI...BUT LTR SHIFTS MAY BE ABLE TO TRIM BACK THE
THU POPS A BIT. THIS WOULD MORE CLOSELY FOLLOW THE ECMWF...AND TO
SOME EXTENT THE 06Z AVN WHICH FAVOR A SLOWER SOLN WITH THIS NEXT
SYS.
MANNING
.LWX...
DC...FLOOD WATCH THROUGH MIDNIGHT FOR ZONE DCZ001.
MD...FLOOD WATCH THROUGH MIDNIGHT FOR ZONES
MDZ002>007...MDZ009>011...MDZ013>014.
VA...FLOOD WATCH THROUGH MIDNIGHT FOR ZONES
VAZ021...VAZ025>031...VAZ036>042...VAZ050>054.
WV...FLOOD WATCH THROUGH MIDNIGHT FOR ZONES WVZ048>055.Hazardous weather outlook, Jun 13, 11:05 AM EDT, 9 hours 18 minutes before
DCZ001-MDZ002>007-009>011-013-014-016>018-VAZ021-025>031-036>042- 050>057-WVZ048>055-141030- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1105 AM EDT FRI JUN 13 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR MARYLAND WEST OF THE CHESAPEAKE BAY AND EAST OF GARRETT COUNTY...THE DISTRICT OF COLUMBIA...NORTHERN VIRGINIA...THE NORTHERN AND CENTRAL SHENANDOAH VALLEY...AND THE EASTERN PANHANDLE OF WEST VIRGINIA. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS ARE EXPECTED THIS AFTERNOON INTO THIS EVENING. A FEW STORMS COULD PRODUCE DAMAGING WIND GUSTS AND FLOOD PRODUCING RAINFALL. A FLOOD WATCH IS IN EFFECT THROUGH THIS EVENING FOR MOST OF THE AREA. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED THIS AFTERNOON. .DAYS TWO THROUGH SEVEN... THUNDERSTORMS ARE EXPECTED ONCE AGAIN SATURDAY. SOME OF THESE STORMS MAY ALSO PRODUCE DAMAGING WIND GUSTS AND HEAVY RAINFALL. ROSA
In the hours before
Local storm report, Jun 13, 6:18 PM EDT, 2 hours 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
618 PM EDT FRI JUN 13 2003
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0535 PM GERMANTOWN MD 60 MPH TSTM GUST
06/13/03 MONTGOMERY 60 MPH WINDS ESTIMATED BY
OFF DUTY NWS
METEORLOGIST.Local storm report, Jun 13, 6:58 PM EDT, 1 hour 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
658 PM EDT FRI JUN 13 2003
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0415 PM COUNTYWIDE WV FLASH FLOOD
06/13/03 MINERAL SOME SECONDARY ROADS
FLOODED REPORTED BY LAW
ENFORCEMENT.
0415 PM MATHIAS WV FLASH FLOOD
06/13/03 HARDY SOME ROADWAYS NEAR
MATHIAS WERE FLOODED
REPORTED BY LAW
ENFORCEMENT.
0545 PM KEARNEYSVILLE WV FLASH FLOOD
06/13/03 JEFFERSON WATER OVER THE LEETOWN
ROAD IN KEARNEYSVILLE.
LAW ENFORCEMENT REPORT.
0615 PM COUNTY WIDE VA FLASH FLOOD
06/13/03 WARREN NUMEROUS ROAD CLOSURES
DUE TO FLOODING REPORTED
BY LAW ENFORCEMENT.Special weather statement, Jun 13, 7:15 PM EDT, 1 hour 8 minutes before
MDZ011-140030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 715 PM EDT FRI JUN 13 2003 ...SEVERE THUNDERSTORMS MAY AFFECT SOUTHERN BALTIMORE COUNTY AROUND 800 PM... AT 715 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 17 MILES SOUTHWEST OF LOCHEARN...MOVING EAST AT 20 MPH. IF THIS STORMS MAINTAINS ITS STRENGTH...IT WILL MOVE INTO SOUTHERN BALTIMORE COUNTY AROUND 800 PM. THE COMMUNITIES OF BALTIMORE...CARNEY...DUNDALK...ESSEX... LOCHEARN...MIDDLE RIVER...PARKVILLE...PIKESVILLE...ROSEDALE... ROSSVILLE...TOWSON AND WHITE MARSH WOULD BE IN THE PATH OF THIS STORM. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT AND BE PREPARED TO TAKE ACTION IN CASE SEVERE THUNDERSTORM WARNINGS ARE ISSUED. MANNING
The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 8:49 PM EDT | Special Marine Warning | LWX | 56 min | |
| Jun 13, 8:53 PM EDT | Special Marine Warning | LWX | 67 min | |
| Jun 14, 3:35 PM EDT | Severe Thunderstorm Warning | LWX | Prince William, City of Manassas, City of Manassas Park | 40 min |
| Jun 14, 3:54 PM EDT | Severe Thunderstorm Warning | LWX | Fairfax, City of Fairfax | 51 min |
| Jun 14, 3:57 PM EDT | Special Marine Warning | LWX | 63 min | |
| Jun 14, 3:59 PM EDT | Flash Flood Warning | LWX | Fauquier | 2 hr |
| Jun 14, 4:02 PM EDT | Tornado Warning | LWX | Fairfax | 28 min |
| Jun 14, 4:55 PM EDT | Flash Flood Warning | LWX | Culpeper | 3 hr |
| Jun 14, 4:56 PM EDT | Special Marine Warning | LWX | 64 min | |
| Jun 14, 5:03 PM EDT | Special Marine Warning | LWX | 57 min | |
| Jun 14, 5:52 PM EDT | Severe Thunderstorm Warning | LWX | Shenandoah | 38 min |
| Jun 14, 5:55 PM EDT | Special Marine Warning | LWX | 65 min | |
| Jun 14, 6:01 PM EDT | Flash Flood Warning | LWX | Stafford | 3 hr |
| Jun 14, 6:04 PM EDT | Severe Thunderstorm Warning | LWX | Rockingham, City of Harrisonburg | 56 min |
| Jun 14, 6:13 PM EDT | Special Marine Warning | LWX | 92 min | |
| Jun 14, 6:24 PM EDT | Severe Thunderstorm Warning | LWX | Warren | 36 min |
| Jun 14, 6:30 PM EDT | Severe Thunderstorm Warning | LWX | Page | 45 min |
| Jun 14, 6:47 PM EDT | Flash Flood Warning | LWX | Page, Rockingham | 3 hr |
| Jun 14, 7:15 PM EDT | Severe Thunderstorm Warning | LWX | Madison | 45 min |
| Jun 14, 7:18 PM EDT | Flash Flood Warning | LWX | Madison | 3 hr |
| Jun 14, 7:28 PM EDT | Severe Thunderstorm Warning | LWX | Orange | 47 min |
| Jun 14, 7:48 PM EDT | Special Marine Warning | LWX | 87 min | |
| Jun 14, 7:59 PM EDT | Flash Flood Warning | LWX | Culpeper | 91 min |
| Jun 13, 8:57 PM EDT | Flash Flood Warning | LWX | Harford | 3 hr |
| Jun 14, 2:55 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 65 min |
| Jun 14, 3:00 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 60 min |
| Jun 14, 4:13 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's | 62 min |
| Jun 14, 4:15 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 45 min |
| Jun 14, 1:43 PM EDT | Severe Thunderstorm Warning | LWX | Berkeley | 47 min |
| Jun 14, 5:27 PM EDT | Severe Thunderstorm Warning | LWX | Hardy | 48 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 2003Every severe thunderstorm warning in 2003
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.