Alert archive / Indiana / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 229, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at Oct 24, 2001, 7:54 PM EDT for Dearborn County, Ohio County, Indiana. It was in force for 36 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Oct 24, 2001, 7:54 PM EDT (23:54 UTC)
- Expired
- Oct 24, 2001, 8:30 PM EDT
- In force
- 36 min
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
Counties Dearborn County, IN, Ohio County, IN
The radar
The Cincinnati radar (KILN), 107 km from the middle of the area, began a volume at 23:56 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 24, 8:00 PM EDT | Thunderstorm Wind 50 E | Countywide, IN | Trees were knocked down across the county. |
| Oct 24, 8:20 PM EDT | Thunderstorm Wind 50 E | Countywide, IN | Trees were knocked down across the county. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Oct 24, 6:45 PM EDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.9 hours before the alert went out and 109 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
- 912 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 297 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
633 WUUS51 KILN 242355 SVRILN INC029-115-250030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE WILMINGTON OH 654 PM EST WED OCT 24 2001 THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... DEARBORN COUNTY IN INDIANA... OHIO COUNTY IN INDIANA... * UNTIL 730 PM EST... * AT 654 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM ALONG A LINE EXTENDING FROM 21 MILES NORTHWEST OF BRIGHT TO 5 MILES SOUTHWEST OF AURORA...MOVING NORTHEAST AT 35 MPH. * SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE... AURORA... BRIGHT... GREENDALE... HIDDEN VALLEY... LAWRENCEBURG... RISING SUN... IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER... SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.
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 Oct 24, 6:00 PM EDT, 1 hour 54 minutes earlier.
Area forecast discussion, Oct 24, 6:00 PM EDT, 1 hour 54 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE WILMINGTON OH 600 PM EDT WED OCT 24 2001 WILL UPDATE TO ISSUE A FLASH FLOOD WATCH FOR PORTIONS OF THE TRI-STATE...MAINLY FOR COUNTIES IN IMMEDIATE CVG AREA ALONG OHIO RIVER AND SE IND. THREE HOUR FLOOD GUIDANCE IS AROUND AN INCH FOR MUCH OF THIS AREA AND UPSTREAM VALUES OF ONE AND STP FORM IND AND IWX WOULD SUGGEST THAT WELL GET THIS. ONLY FLY IN OINTMENT WOULD BE SPEED OF THE LINE MOVING THROUGH...BUT GROUND IS QUITE SATURATED ATTM AND ANY RAIN WOULD BE NEAR TOTAL RUNOFF. ...3PM DISCUSSION... SURFACE ANALYSIS INDICATES STRONG POSITIVELY TILTED COLD FRONT OVER EASTERN IL WITH WARM FRONT ENTERING THE TRI-STATE. SATELLITE IMAGERY INDICATES PLENTY BREAKS IN THE WARM SECTOR WITH TDS INTO THE UPPER 60S. COMPLICATED FORECAST SO WILL JUST HIT THE HIGHLIGHTS AND HAVE ZONES READY EARLY. POSITIVELY TILTED COLD FRONT WILL BECOME NEGATIVELY TILTED THIS EVENING AND BLAST ACROSS THE FA. CAPE VALUES ARE EXPECTED TO BE 1000 TO 2000 J/KG WITH HELICITIES IN EXCESS OF 300 M2/S2. AS A RESULT BULK RICHARDSON IS VERY FAVORABLE IN THE TEENS. WILL HIT EVENING THROUGH MIDNIGHT HARD WITH SEVERE WORDING EXPECT SPC TO ISSUE A BOX OVER WESTERN OHIO LATTER THIS AFTERNOON WITH DEVELOPMENT IN THE WARM SECTOR AND PASSAGE OF COLD FRONT. SKIES WILL CLEAR RAPIDLY FROM WEST TO EAST OVER FA. WINDS WILL BE 20 TO 30 MPH WITH SOME 40 MPH GUSTS THURSDAY. THERE IS POTENTIAL FOR THEM TO BE STRONGER WHICH COULD PUSH INTO WIND ADVISORY BUT WILL LET LATTER SHIFTS DEAL WITH IT. WILL KEEP MENTION OF RAIN AND SNOW ACROSS THE NORTH ON FRIDAY THRU SATURDAY BUT WILL DRY OUT THE SOUTH EXCEPT FRIDAY NIGHT. FWC LOOKS RESPECTABLE FOR THE FIRST 3 PERIODS BUT WENT SIGNIFICANTLY COLDER...CLOSER TO MAV...FOR THE 4TH PERIOD. .ILN...FLASH FLOOD WATCH INZ073>075-080 KYZ089>093 OHZ077-078. FRANKS
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 24, 3:40 AM EDT | Flash Flood Warning | ILN | Ripley | 110 min |
| Oct 24, 4:48 AM EDT | Flash Flood Warning | ILN | Dearborn | 42 min |
| Oct 24, 7:07 PM EDT | Severe Thunderstorm Warning | ILN | Wayne | 38 min |
| Oct 24, 7:18 PM EDT | Severe Thunderstorm Warning | ILN | Franklin, Ripley | 57 min |
| Oct 24, 7:18 PM EDT | Severe Thunderstorm Warning | ILN | Fayette, Union | 57 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.