Thunderstorm Wind, Cass
- When
- April 23, 3:06 PM EST
- Where
- Cass County, 2 mi SE of Royal Center
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 40.850, -86.467
One large tree blown down across the road along 400N and US 35.
Damaging Winds in Indiana, April 23, 2001
7 thunderstorm wind, as filed by the National Weather Service.
Where it happened
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 7
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
What forecasters said that day
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Northern Indiana wrote its last area forecast discussion before the first event at Apr 23, 2:31 PM EST, 35 minutes earlier.
Area forecast discussion, Apr 23, 2:31 PM EST, 35 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NORTHERN INDIANA 231 PM EST MON APR 23 2001 FCST CHALLENGES ARE TSRA CHANCES AND SVR POTENTIAL FOR EARLY TONIGHT...THEN CHC FOR SHOWERS ON WED. 88D NETWORK SHOWING SEVERAL LINES OF CONVECTION WORKING ACRS RGN. WRN MOST LINE OF CONVECTION WAS ALONG CDFNT...BISECTING IL. EXTENSIVE AREA OF SC WAS BHND FNT. ETA...NGM AND AVN IN GOOD AGREEMENT WITH BRINGING A SERIES OF WK SHORTWAVES ACRS CWFA THRU F24...THOUGH AT F48...ETA A BIT FARTHER W THAN AVN. MORE SIGNIFICANTLY...AVN MUCH STRONGER WITH SHORTWAVE DROPPING INTO BASE OF TROF AT F60 THAN ETA. AT THE SFC...AVN OFFERED A FASTER MOVEMENT WITH CDFNT THAN ETA AND NGM AND VERIFIED BEST AT 18Z. ETA AND NGM BOTH TRENDED FASTER WITH FNT... ALSO GIVING CREDENCE TO FOLLOWING AVN SOLUTION. WITH LOW LVL FORCING ALONG CDFNT AND DIFLUENCE ALOFT UNDER RIGHT ENTRANCE RGN OF UPR JET...SHOWERS AND TSRA WL WRK ACRS RGN TONIGHT. BEST FORCING WL EXIT ERN SXNS OF CWFA BY 03Z. JUST MARGINAL INSTABILITY...LI VALUES OF MINUS 2 TO MINUS 4...BUT STRONG WND FIELD WITH VWP INDICATING 55 KT WNDS AT 5K FT. THUS...ISOLATED SVR STORMS STILL POSSIBLE. WL MONITOR DEVELOPMENT UP TO ZONE ISSUANCE BEFORE DECIDING IF TO MENTION SVR IN ZONES. WITH COLD AIR ALOFT AND ABUNDANT LOW LVL MOISTURE...EXPECT CU/SC REDEVELOPMENT ON TUE. LAKE EFFECT CLOUDS CAN ALSO BE EXPECTED GIVEN LMIC/85H TEMP DIFFERENTIAL AROUND 10C. WITH HI PRES RDG OVR RGN AND DRIER AIR ADVECTING IN...WL GO WITH MOSTLY CLEAR SKIES TUE NIGHT. WITH PVA DUE TO SHORTWAVE DROPPING INTO RGN...WITH OPT FOR MOSTLY CLOUDY WORDING WITH LOW CHC POPS FOR SHOWERS ON WED. SKIES WL CLR WED NIGHT AS RDG RETURNS. NGM STARTING TO CATCH UP WITH BRINGING IN LOW LVL COLD AIR...BUT STILL MAY BE A DEGREE OR TWO TOO WARM FOR TONIGHT. WITH CLOUDINESS...WL GO WITH COOLER MAV NUMBERS FOR TUE. FWC AND AVN NUMBERS IN EXCELLENT AGREEMENT FOR TUE NIGHT AND LOOK GOOD WITH CLEARING SKIES AND LIGHT WND. WL GO TOWARD COOLER MAV NUMBERS FOR WED. AS FOR EXTD...WL DROP MENTION OF SHOWERS ON SAT GIVEN ONLY WK SHORTWAVE TOPPING RDG. .IWX...NONE. BARJENBRUCH
The radar
The Northern Indiana radar (KIWX), 86 km away, was scanning. The volume nearest the first event began at 20:04 UTC.
Event by event
7 thunderstorm wind. Local standard time, as filed.
Thunderstorm Wind, Cass
- When
- April 23, 3:08 PM EST
- Where
- Cass County, 5 mi NW of Logansport
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 40.800, -86.417
Large tree blown down.
Thunderstorm Wind, Miami
- When
- April 23, 3:15 PM EST
- Where
- Miami County, Macy
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 40.967, -86.133
Large tree limbs down on several roads.
Thunderstorm Wind, Miami
- When
- April 23, 3:15 PM EST
- Where
- Miami County, 5 mi E of Peru
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 40.750, -85.967
Several tree limbs blown down along Wabash road.
Thunderstorm Wind, Kosciusko
- When
- April 23, 3:37 PM EST
- Where
- Kosciusko County, 1 mi NW of North Webster
- Reported by
- NWS EMPLOYEE(OFF DUTY)
- Coordinates
- 41.333, -85.717
Large limb blown down.
Thunderstorm Wind, Starke
- When
- April 23, 5:05 PM EST
- Where
- Starke County, San Pierre
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 41.200, -86.900
Large tree blown down taking power lines down with it.
Thunderstorm Wind, Pulaski
- When
- April 23, 5:25 PM EST
- Where
- Pulaski County, 3 mi S of Medaryville
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 41.033, -86.900
Large tree blown down along US 421.
What these are
- Thunderstorm Wind
- Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornado in Iowa, April 23, 2001
- Tornado and High Wind in Iowa, April 23, 2001
- Damaging Winds in Michigan, April 23, 2001
- Flash Flooding in Texas, April 23, 2001
- Damaging Winds in Indiana, April 23, 2001
- Damaging Winds in Michigan, April 23, 2001
- Flash Flood in Texas, April 23, 2001
- Hail and Damaging Winds in Wisconsin, April 23, 2001
- Hail and Damaging Wind in Texas, April 23, 2001
- Strong Wind in Iowa, April 23, 2001
- Flooding in Vermont, April 23 to 30, 2001
- Damaging Wind in Kentucky, April 23, 2001
More
Every storm in Indiana in 2001Every state in 2001This day in weather historyWarnings in Indiana, April 2001
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5238581, 5238582, 5238583, 5238584, 5238585, 5238586, 5238587.