Alert archive / Pennsylvania / Flash Flood Warnings in 2000
Flash Flood Warning 6, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Mar 23, 2000, 9:40 AM EST for 5 counties in Pennsylvania. It was in force for 65 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
- Mar 23, 2000, 9:40 AM EST (14:40 UTC)
- Expired
- Mar 23, 2000, 10:45 AM EST
- In force
- 65 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Whole counties
Counties Berks County, PA, Carbon County, PA, Lehigh County, PA, Monroe County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 133 km from the middle of the area, began a volume at 14:44 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
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 2.7 hours before the alert went out and 149 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
- 874 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS51 KPHI 231530
FFWPHI
PAC011-025-077-089-095-231545-
TORNADO WARNING !!! THIS IS ONLY A TEST !!!
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
940 AM EST THU MAR 23 2000
*** THIS MESSAGE IS FOR TEST PURPOSES ONLY ***
* NO SEVERE WEATHER IS OCCURRING IN THE METIONED AREA *
...TEST...TEST...TEST...
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* DRILL FLASH FLOOD WARNING FOR...
LEHIGH COUNTY IN EASTERN PENNSYLVANIA
BERKS COUNTY IN EASTERN PENNSYLVANIA
NORTHAMPTON COUNTY IN EASTERN PENNSYLVANIA
CARBON COUNTY IN NORTHEAST PENNSYLVANIA
MONROE COUNTY IN NORTHEAST PENNSYLVANIA
* UNTIL 1045 AM EST.
* THE DRILL FLASH FLOOD IS EXPECTED TO BE NEAR...
READING AT 1045 AM EST...
ALLENTOWN AT 1045 AM EST...
EASTON AT 1045 AM EST...
JIM THORPE AT1045 AM EST...
EAST STROUDSBURG AT 955 AM EST...
* AT 938 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
DRILL FLASH FLOOD WEST OF READING...ALLENTOWN...AND EASTON
MOVING NORTHEAST AT 40 MPH. THIS IS ONLY A DRILL.
IF THIS WERE AN ACTUAL WARNING...WE WOULD PROVIDE DETAILS OF DAMAGE
AND SUGGEST SAFE LOCATIONS AS SHELTER.
AGAIN...THIS IS A DRILL TO
RNADO WARNING. NO DAMAGING WEATHER IS
OCCURING AT THIS TIME.
NNNNThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 23, 10:40 AM EST | Flash Flood Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 15 min |
Nearby
Flash Flood Warnings in Pennsylvania, 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.