Alert archive / Maryland / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 9, NWS Baltimore/Washington
NWS Baltimore/Washington issued this severe thunderstorm warning at Mar 25, 2000, 5:15 PM EST for Charles County, Maryland. It was in force for 45 min. 2 reports 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
- Mar 25, 2000, 5:15 PM EST (22:15 UTC)
- Expired
- Mar 25, 2000, 6:00 PM EST
- In force
- 45 min
- Issued by
- NWS Baltimore/Washington
- Area
- Whole counties
County Charles County, MD
The radar
The Sterling radar (KLWX), 69 km from the middle of the area, began a volume at 22:18 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 25, 5:30 PM EST | Thunderstorm Wind | Pisgah, MD | Trees were downed in Ripley. |
| Mar 25, 5:30 PM EST | Hail 0.75 | Pisgah, MD | Dime-sized hail was reported in Ripley. |
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 nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 10.3 hours before the alert went out and 63 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
- 1348 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 157 m²/s²
- 0-3 km storm-relative helicity
- 160 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS51 KLWX 252216 SVRWBC MDC017-252300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BALTIMORE-WASHINGTON 515 PM EST SAT MAR 25 2000 THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CHARLES COUNTY IN SOUTHERN MARYLAND * UNTIL 600 PM EST * AT 515 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER WHITE PLAINS...OR ABOUT 4 MILES SOUTHWEST OF WALDORF...MOVING EAST AT 44 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... HUGHESVILLE AT 524 PM EST BENEDICT AT 532 PM EST SEEK SAFETY INDOORS AWAY FROM WINDOWS. IF CAUGHT OUTSIDE...DO NOT STAND UNDERNEATH TREES OR OTHER ISOLATED OBJECTS. DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. AS THE STORM APPROACHES MOVE TO A PLACE OF SAFETY. TUNE INTO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR THE LATEST WEATHER INFORMATION. .END/ DMW
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 Mar 25, 2:15 PM EST, 3 hours earlier.
Area forecast discussion, Mar 25, 2:15 PM EST, 3 hours before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON 215 PM EST SAT MAR 25 2000 12Z MODEL GUIDNC FCSTS WK CDFNT ACRS THE CWA OVRNGT ACCOMPANIED BY SOME CONV ACTVTY WHICH HAS ALREADY BEGUN TO DVLP MAINLY OVR THE NRN SHENANDOAH VLY THE PAST HR. MESO FIELDS INDICATE THIS ACTVTY WILL BE MVG E INTO A FAVORABLE AREA ALONG AND E OF THE BLUE RDG FOR POTENTIAL FURTHER DVLPMNT AS THE AFTN MVS ON. HENCE THESE SHWRS MAY WELL BCM TSTMS AND WILL HAVE A RMNDR OF THE AFTN PD IN THE NEW FCST PKG TO REFLECT THIS PSBLTY. OTW STG S/W WILL DRIVE CDFNT ACRS THE CWA ELY TNGT FOLLOWED BY PARTIAL CLRG. SUN APPEARS BRZY/WNDY AND SUNNY WITH TEMPS A LTL COOLER THAN TDA BUT STILL ABV NORMAL. WK HI PRES AND CLR SKIES FOR SUN NGT. INCRSG CLDS FOLLOWED BY SHWRS OR RN DVLPG SLOLY FM W TO E ACRS THE CWA DURING THE DAY MON. THIS SYSTEM SFC AND ALOFT WILL BE MUCH STRGR SO WILL GO WITH A RN LKLY SCENARIO FOR MON NGT. AS THE STORM SYSTEM WINDS UP OVR NEW ENG AND VCNTY MON LOOK FOR A PC WNDY AND MUCH COOLER DAY TUE TO BEGIN THE XTNDD PERIOD. THATS IT FOR NOW...LATER. .LWX...NONE. PAP
The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 25, 4:49 PM EST | Severe Thunderstorm Warning | LWX | Charles | 26 min |
| Mar 25, 4:59 PM EST | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Prince George's | 31 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 2000Every severe thunderstorm warning in 2000
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; radar from the NEXRAD Level II archive.