Alert archive / Maryland / Flash Flood Warnings in 2000
Flash Flood Warning 14, NWS Baltimore/Washington
NWS Baltimore/Washington issued this flash flood warning at Jul 14, 2000, 10:44 PM EDT for Baltimore County, City of Baltimore, Maryland. It was in force for 2 hr. 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 14, 2000, 10:44 PM EDT (02:44 UTC)
- Expired
- Jul 15, 2000, 12:45 AM EDT
- In force
- 2 hr
- Issued by
- NWS Baltimore/Washington
- Area
- Whole counties
Counties Baltimore County, MD, City of Baltimore, MD
The radar
The Sterling radar (KLWX), 87 km from the middle of the area, began a volume at 02:44 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 nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 2.7 hours before the alert went out and 82 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
- 1500 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 1168 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 109 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS51 KLWX 150247 FFWLWX MDC005-510-150445- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BALTIMORE-WASHINGTON 1044 PM EDT FRI JUL 14 2000 THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A * FLASH FLOOD WARNING FOR... BALTIMORE COUNTY IN NORTHERN MARYLAND BALTIMORE CITY IN NORTHERN MARYLAND * UNTIL 1245 AM EDT * AT 1039 PM EDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN 9 MILES SOUTHWEST OF CATONSVILLE...MOVING NORTHEAST AT 35 MPH. * THE THUNDERSTORM WITH EXCESSIVE RAINFALL WILL BE NEAR... CATONSVILLE AT 1052 PM EDT WOODLAWN AT 1054 PM EDT ARBUTUS AT 1056 PM EDT LOCHEARN AT 1058 PM EDT BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPER1TY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND. HTS/SMZ
What forecasters said that day
The local office's own words before this flash flood 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 flash flood warning went out at Jul 14, 9:20 PM EDT, 1 hour 24 minutes earlier.
Area forecast discussion, Jul 14, 9:20 PM EDT, 1 hour 24 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON 920 PM EDT FRI JUL 14 2000 SVR THREAT IS ONGOING AND WILL BE DOING THE EVE UPDATE TO ZNS WITH APPROPRIATE ADJSTMTS AS NEEDED...HI POPS CONTD WITH POTNTL FOR STG/SVR TSTMS FOR AT LEAST ANTHR 3-4HRS. INTL SCTD ACTVTY WITH LCLZD VRY HVY RAINS AND ISOLD LRG HAIL APPRS TO BE ON THE WANE AND EMPHASIS AND ATTN NOW TURNG TO BETTER DYNAMICALLY DRIVEN LN OF TSTMS APCHG AND ASSOCD WITH DPNG LRG SCALE TROF...THREAT SHIFTG FM ONLY HVY RAIN/HAIL TO MORE WNDS. 00Z IAD RAOB SHOWS GUD DIRECTNL SHEAR AND MDT INSTBLTY BUT NOT A LOT OF SPEED SHEAR. .LWX... DC...NONE. MD...NONE. VA...NONE. WV...NONE. JLWq
The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 8:15 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 45 min |
| Jul 14, 10:06 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 24 min |
| Jul 14, 11:23 PM EDT | Flash Flood Warning | LWX | Anne Arundel, Prince George's | 67 min |
| Jul 15, 12:11 AM EDT | Severe Thunderstorm Warning | LWX | Charles | 64 min |
| Jul 15, 12:35 AM EDT | Flash Flood Warning | LWX | Charles, Saint Mary's | 115 min |
| Jul 15, 2:25 AM EDT | Flash Flood Warning | LWX | Saint Mary's | 65 min |
Nearby
Flash Flood Warnings in Maryland, 2000Every flash flood 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.