Alert archive / Indiana / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 156, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at Jul 3, 2001, 2:48 PM EST for Switzerland County, Indiana. It was in force for 42 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
- Jul 3, 2001, 2:48 PM EST (19:48 UTC)
- Expired
- Jul 3, 2001, 3:30 PM EST
- In force
- 42 min
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
County Switzerland County, IN
The radar
The Louisville radar (KLVX), 123 km from the middle of the area, began a volume at 19:51 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
Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.8 hours before the alert went out and 126 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
- 1558 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 76 m²/s²
- 0-3 km storm-relative helicity
- 24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Wilmington, OH wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 3, 1:58 PM EST, 50 minutes earlier.
Area forecast discussion, Jul 3, 1:58 PM EST, 50 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE WILMINGTON OH 258 PM EDT TUE JUL 3 2001 WESTERLY FLOW ALOFT WILL PERSIST ACROSS THE OHIO VALLEY UNTIL LATE THURSDAY AS VIGOROUS H5 CUTOFF SPINS THROUGH SOUTHEASTERN CANADA. SHORT WAVE COMING OUR WAY FROM ILLINOIS WILL MOVE IN THIS EVENING...WITH OTHER SHORT WAVES DUE TO INFLUENCE OUR AREA ON WEDNESDAY AND THURSDAY. SFC MAP SHOWS OUR AREA EXPERIENCING THETA-E ADVECTION ON THE EAST SIDE OF HIGH MOVING OFF THE MID ATLANTIC COAST. MCS IS MOVING THROUGH INDIANA INTO OHIO ROUGHLY ALONG THETA-E GRADIENT. FOR TONIGHT...I'LL GO WITH EVENING PERIOD FOR CURRENT TSRA...THEN CHANCE POPS OVERNIGHT. INSTABILITY WILL PERSIST ON WEDNESDAY... WITH PVA AND SFC CONVERGENCE SO I'LL KEEP CHANCE POPS. NEXT SHORT WAVE ON WEDNESDAY NIGHT INTO THURSDAY WILL MAINLY AFFECT OUR SOUTHERN COUNTIES. I'LL GO WITH CHANCE TSRA ALL ZONES WEDNESDAY NIGHT WITH FRONT DUE TO CROSS THE AREA ACCOMPANIED BY PVA. FOR THURSDAY...I'LL KEEP WEST CENTRAL ZONE DRY...USE MAINLY MORNING WORDING FOR CHANCE TSRA DAY AND CMH...AND I WON'T INCLUDE ANY TIMING IN THE SOUTH WHERE FRONT IS PROGGED ACROSS THE AREA FOR A GOOD PART OF THE DAY. FWC TEMPS LOOK A BIT WARM TONIGHT AND WEDNESDAY...THEN TOO COOL WEDNESDAY NIGHT AND THURSDAY...SO I'LL ADJUST THEM ACCORDINGLY. .ILN...NONE. CONIGLIO
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 3:52 PM EST | Severe Thunderstorm Warning | ILN | Owen | 23 min |
Nearby
Severe Thunderstorm Warnings in Indiana, 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.