Liveblog: 21 May 2010 Storm Kalamazoo

by TheZach on May 21, 2010

in Storm Chases

I’m not going chasing in this storm so I thought I would do a live blog of this event.  Refresh for the latest updatesThe first few thing I recieved was the warning for Cass County

558 WWUS53 KIWX 211938SVSIWX

SEVERE WEATHER STATEMENTNATIONAL WEATHER SERVICE NORTHERN INDIANA338 PM EDT FRI MAY 21 2010

MIC027-149-212015-/O.CON.KIWX.SV.W.0021.000000T0000Z-100521T2015Z/ST. JOSEPH MI-CASS MI-338 PM EDT FRI MAY 21 2010

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDTFOR NORTHEASTERN CASS AND NORTHWESTERN ST. JOSEPH COUNTIES INSOUTHWEST MICHIGAN...

AT 333 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TOINDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS INEXCESS OF 60 MPH. THIS SEVERE STORM WAS LOCATED NEAR THREE RIVERS...AND MOVING NORTHEAST AT 25 MPH.

THIS SEVERE THUNDERSTORM WILL AFFECT THE FOLLOWING LOCATIONS... MOORE PARK...FISHERS LAKE AND FLOWERFIELD.

THIS IS A DANGEROUS SEVERE THUNDERSTORM. IF YOU ARE IN THE PATH...PREPARE IMMEDIATELY FOR DAMAGING WINDS IN EXCESS OF 60 MPH...ALONGWITH DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TOA SHELTER...PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROMWINDOWS.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENTAGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICEIN NORTHERN INDIANA.

LAT...LON 4192 8575 4193 8584 4208 8585 4207 8544      4185 8567TIME...MOT...LOC 1936Z 216DEG 22KT 4197 8569WIND...HAIL 60MPH IN

$$

Shortly thereafter I looked for LSR info of the storm.

iwxchat 2010/05/21 3:35 PM iembot IWX: White Pigeon [St. Joseph Co, MI] trained spotter reports HAIL of pea size (M0.25 INCH) at 03:34 PM EDT — pea size hail reported at intersection of us131 and us12
iwxchat 2010/05/21 3:30 PM iembot IWX: 3 Wnw Elkhart [Elkhart Co, IN] trained spotter reports HAIL of E0.70 INCH at 02:30 PM EDT –
iwxchat 2010/05/21 3:13 PM iembot IWX: 1 Nw Elkhart [Elkhart Co, IN] trained spotter reports TSTM WND DMG at 02:35 PM EDT — various size trees down with street flooding up to a half foot deep in spots. time estimated from radar.
iwxchat 2010/05/21 3:00 PM iembot IWX: 2 N Elkhart [Elkhart Co, IN] amateur radio reports FLASH FLOOD at 02:55 PM EDT — water up to tire rims in parking lot
iwxchat 2010/05/21 2:33 PM iembot IWX: 1 S Osceola [St. Joseph Co, IN] amateur radio reports HAIL of pea size (M0.25 INCH) at 02:25 PM EDT –

4:00 PM: Emergency Management in Three Rivers Reports Large Trees Down

4:17 PM

iwxchat 2010/05/21 4:06 PM iembot IWX: Three Rivers [St. Joseph Co, MI] trained spotter reports HEAVY RAIN of M1.20 INCH at 04:03 PM EDT — 1.2 inches of rain fell in 30 minutes…between 330pm and 400pm

4:25

520
WWUS83 KGRR 212023
SPSGRR

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
423 PM EDT FRI MAY 21 2010

MIZ064>066-071>073-212115-
ALLEGAN-BARRY-CALHOUN-EATON-KALAMAZOO-VAN BUREN-
423 PM EDT FRI MAY 21 2010

…SIGNIFICANT WEATHER ADVISORY…

AT 420 PM EDT…NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
LINE OF STRONG THUNDERSTORMS EXTENDING FROM OSHTEMO IN KALAMAZOO
COUNTY SOUTHEAST TO NEAR ATHENS IN CALHOUN COUNTY. THE LINE OF
STORMS IS MOVING NORTHEAST AT 35 MPH.

PEA SIZE HAIL…WINDS UP TO 50 MPH…OCCASIONAL CLOUD TO GROUND
LIGHTNING…BRIEF HEAVY DOWNPOURS…ARE POSSIBLE WITH THESE STORMS.

THE STORMS WILL BE MOVING THROUGH OSHTEMO…KALAMAZOO…PORTAGE…
SCOTTS…CLIMAX AND EAST LEROY THROUGH 500 PM.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

GUSTY WINDS MAY CAUSE SMALL BRANCHES TO BE BLOWN DOWN…AND LOOSE
OBJECTS TO BLOW AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS
TREES. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THESE STORMS HAVE
PASSED.

&&

LAT…LON 4217 8597 4277 8563 4263 8465 4242 8471
4242 8473 4238 8473 4207 8481 4207 8547
TIME…MOT…LOC 2019Z 205DEG 28KT 4232 8574 4215 8523

$$

DUKE

iwxchat 2010/05/21 4:25 PM iembot IWX: Colon [St. Joseph Co, MI] emergency mngr reports TSTM WND DMG at 04:10 PM EDT — barn damage and uprooted trees near long street.

4:30 PM

iwxchat 2010/05/21 4:30 PM iembot IWX: Three Rivers [St. Joseph Co, MI] trained spotter reports HEAVY RAIN of M2.25 INCH at 04:25 PM EDT — 2.25 inches of rain in 30 minutes

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