Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 130, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at Jun 21, 2000, 3:06 PM EDT for Allegheny County, Pennsylvania. It was in force for 24 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 21, 2000, 3:06 PM EDT (19:06 UTC)
- Expired
- Jun 21, 2000, 3:30 PM EDT
- In force
- 24 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Whole counties
County Allegheny County, PA
The radar
The Pittsburgh radar (KPBZ), 21 km from the middle of the area, began a volume at 19:08 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 |
|---|---|---|---|
| Jun 21, 2:00 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 7.1 hours before the alert went out and 12 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
- 553 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 646 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 204 m²/s²
- 0-3 km storm-relative helicity
- 205 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.2
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 Pittsburgh, PA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 21, 2:55 PM EDT, 11 minutes earlier.
Area forecast discussion, Jun 21, 2:55 PM EDT, 11 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 255 PM EDT WED JUN 21 2000 LN OF TSTMS CURRENTLY ALG BFD-PIT-PKB LN WL MOV THRU RMNDR CWA DURG NEXT 2-4 HR. WL PLAY UP POTENTIAL FOR WIND GUSTS IN SVR TSTM WATCH AREA. SFC DEWPTS STILL HI BHD LN OF TSTMS ALL THE WAY BACK INTO OH AND INDIANA. MOST TSTMS SHUD DIE OUT BY SUNSET...BUT WL KEEP SML CHC POPS FOR RSHWRS OVRNGT. UPR TROF WL PUSH EWD ACRS RGN THU WITH STG COOLING ALF. CAP IS EVIDENT ON MDL SOUNDINGS AT 18Z THU ARND 650 MB...BUT WITH SFC TEMPS CLIMBING INTO LWR 80S...CUD STILL POP SCT SHWRS OR TSTMS DURG AFTN. WENT DRY FOR THU NGT INTO FRI AS SFC HI BLDS IN. PROBABLY WL SEE SOME SCT CU FRI..BUT WL GO WITH OPTIMISTIC MOSNY. FCSTID = 14 PIT 64 82 60 82 / 40 30 10 5 MGW 64 82 60 82 / 30 30 10 5 .PBZ... MD...NONE. OH...NONE. PA...SEVERE THUNDERSTORM WATCH UNTIL 700 PM FOR ZONES PAZ008>009...PAZ014>016(...PAZ021>023...PAZ029>032. WV...NONE.
The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 3:54 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 66 min |
| Jun 21, 4:58 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 47 min |
| Jun 21, 5:07 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 53 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.