Alert archive / Michigan / Tornado Watches in 2001
Tornado Watch 696
The Storm Prediction Center issued this tornado watch at Aug 25, 2001, 5:15 PM EST for 8 counties in Indiana; 9 counties in Michigan. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 25, 2001, 5:15 PM EST (22:15 UTC)
- Expired
- Aug 25, 2001, 9:00 PM EST
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
Counties Elkhart County, IN, Kosciusko County, IN, LaGrange County, IN, LaPorte County, IN, Marshall County, IN, Porter County, IN, Saint Joseph County, IN, Starke County, IN, Allegan County, MI, Barry County, MI, Berrien County, MI, Calhoun County, MI, Cass County, MI, Eaton County, MI, Kalamazoo County, MI, Saint Joseph County, MI, Van Buren County, MI
The radar
The Northern Indiana radar (KIWX), 74 km from the middle of the area, began a volume at 22:18 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.
Warnings issued inside it
3 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 5:31 PM EST | Tornado Warning | LOT | Lake, Porter | 44 min |
| Aug 25, 6:12 PM EST | Tornado Warning | IWX | LaPorte | 48 min |
| Aug 25, 7:33 PM EST | Tornado Warning | IWX | LaPorte | 27 min |
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 10.3 hours before the alert went out and 259 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
- 914 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 101 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
137 WWUS9 KMKC 252204 SEL6 MKC WW 252200 INZ000-MIZ000-LMZ000-260200- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 696 STORM PREDICTION CENTER NORMAN OK 500 PM CDT SAT AUG 25 2001 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF NORTHERN INDIANA SOUTHWEST LOWER MICHIGAN SOUTHERN LAKE MICHIGAN EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 515 PM UNTIL 900 PM CDT. TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 45 STATUTE MILES EAST AND WEST OF A LINE FROM 45 MILES SOUTH SOUTHWEST OF SOUTH BEND INDIANA TO 5 MILES EAST NORTHEAST OF GRAND RAPIDS MICHIGAN. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. OTHER WATCH INFORMATION... CONTINUE...WW 695... DISCUSSION...AHEAD OF VORT MAX MOVING ACROSS WI...SHEAR PROFILES AND THERMODYNAMICS HAVE BECOME FAVORABLE FOR SUPERCELLS AND ISOLATED TORNADOES. CURRENT THUNDERSTORMS MOVING INTO SRN LM AND NWRN IND EXPECTED TO CONTINUE NEWD WITH INCREASING THREAT FOR TORNADIC SUPERCELLS. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 22025. ...HALES 425,0843 410,0854 410,0873 425,0861
Nearby
Tornado Watches in Michigan, 2001Tornado Watches in Indiana, 2001Every tornado watch 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.