Alert archive / Maryland / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 39, NWS Baltimore/Washington
NWS Baltimore/Washington issued this severe thunderstorm warning at May 25, 2001, 4:32 PM EDT for Charles County, Saint Mary's County, Maryland. It was in force for 58 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
- May 25, 2001, 4:32 PM EDT (20:32 UTC)
- Expired
- May 25, 2001, 5:30 PM EDT
- In force
- 58 min
- Issued by
- NWS Baltimore/Washington
- Area
- Whole counties
Counties Charles County, MD, Saint Mary's County, MD
The radar
The Sterling radar (KLWX), 94 km from the middle of the area, began a volume at 20:34 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 25, 3:15 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 8.5 hours before the alert went out and 87 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
- 674 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 105 m²/s²
- 0-3 km storm-relative helicity
- 161 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 252033 SVRLWX MDC017-037-252130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BALTIMORE-WASHINGTON 432 PM EDT FRI MAY 25 2001 THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CHARLES COUNTY IN SOUTHERN MARYLAND ST. MARYS COUNTY IN SOUTHERN MARYLAND * UNTIL 530 PM EDT * AT 429 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 25 MILES SOUTHWEST OF GOLDEN BEACH...MOVING NORTHEAST AT 35 MPH. * THE SEVERE THUNDERSTORM WILL BE... 8 MILES SOUTHWEST OF GOLDEN BEACH AT 508 PM REMEMBER...A SEVERE THUNDERSTORM CAN PRODUCE LARGE DAMAGING HAIL... DAMAGING WINDS IN EXCESS OF 55 MPH...DEADLY LIGHTNING...AND VERY HEAVY RAIN. IF SEVERE WEATHER APPROACHES...GO INSIDE A STURDY SHELTER AND STAY AWAY FROM DOORS AND WINDOWS. TUNE INTO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR THE LATEST WEATHER INFORMATION.
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 May 25, 10:10 AM EDT, 6 hours 22 minutes earlier.
Area forecast discussion, May 25, 10:10 AM EDT, 6 hours 22 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON 1010 AM EDT FRI MAY 25 2001 ERLY MRNG FCST PCKG LUKS IN GUD SHAPE. SEEMS TO BE SOME SIMILARITY BTWN THIS MRNGS WX MAP AND WHAT WE HAD THREE DAYS AGO...WHEN SVR WX HIT A LARGE PART OF THE AREA TUE AFTN. LOW CONTS TO SPIN OVR THE UPR MIDWEST WITH A FNTL BNDRY STRETCHING FM ERN OH DOWN TOWARDS THE FL PANHANDLE AND LTNG OVR THE CAROLINAS. ONE DIFF ATTM IS A LTL MORE CLD CVR EVIDENT ON STLT TO THE SW OF DC WHICH COULD HELP TO KEEP SFC TEMPS DOWN..BUT LIKE THREE DAYS AGO THERE ARE GOOD UPR DYNAMICS. WRDG OF PSBL SVR IN THE LATE AFTN WL RMN IN THE FCST. RMDR OF FCST UNCHGD. DCA 75 60 76 59 / 70 80 70 40 BWI 73 58 74 58 / 70 80 80 40 MRB 71 57 72 57 / 90 70 70 30 IAD 74 58 75 57 / 70 80 70 40 CHO 73 58 75 57 / 70 80 70 40 HGR 68 56 71 55 / 90 70 70 30 NHK 74 61 77 61 / 40 60 60 40 .LWX...NONE. WOODY
In the hours before
Special weather statement, May 25, 11:34 AM EDT, 4 hours 58 minutes before
DCZ001-MDZ002>007-009>011-013-014-016>018-VAZ021-025>031-036>042- 050>057-WVZ048>055-252130- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE BALTIMORE-WASHINGTON 1134 AM EDT FRI MAY 25 2001 ...SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING... THE STORM PREDICTION CENTER HAS OUTLOOKED MUCH OF VIRGINIA... MARYLAND..THE EASTERN PANHANDLE OF WEST VIRGINIA..AND WASHINGTON DC WITH A SLIGHT RISK OF SEVERE THUNDERSTORMS. MOIST...UNSTABLE AIR AHEAD OF A COLD FRONT WILL TRIGGER STRONG THUNDERSTORMS THIS AFTERNOON ACROSS THE AREA. THUNDERSTORMS WILL DEVELOP OVER THE MOUNTAINS AND SPREAD EASTWARD LATE IN THE DAY. THE THUNDERSTORMS ARE EXPECTED CONTINUE AFTER SUNSET...ESPECIALLY IN THE WASHINGTON-BALTIMORE METROPOLITAN AREA. STRONG WIND GUSTS...IN EXCESS OF 60 MPH...WILL BE THE MAJOR THREAT. HAIL GREATER THAN THREE-QUARTERS OF AN INCH IN DIAMETER IS ALSO POSSIBLE. THESE STORMS WILL PRODUCE AREAS OF HEAVY RAIN...RESULTING IN RAPID RISES ON CREEKS AND SMALLER RIVERS. STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTHER DETAILS OR UPDATES. FOR ADDITIONAL WEATHER INFORMATION, CHECK OUR WEB SITE AT HTTP://WWW.NWS.NOAA.GOV/ER/LWX ABW
The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 2:56 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 49 min |
| May 25, 3:15 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 45 min |
| May 25, 3:26 PM EDT | Tornado Warning | LWX | Charles, Prince George's | 34 min |
| May 25, 3:40 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 50 min |
| May 25, 4:07 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 53 min |
| May 25, 4:24 PM EDT | Tornado Warning | LWX | Prince George's | 51 min |
| May 25, 4:44 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 46 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; radar from the NEXRAD Level II archive.