Alert archive / Missouri / Severe Thunderstorm Watches in 1997

Severe Thunderstorm Watch 290

May 17, 199720 counties in Kansas; 21 counties in Missouri

The Storm Prediction Center issued this severe thunderstorm watch at May 17, 1997, 7:00 PM CDT for 20 counties in Kansas; 21 counties in Missouri. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: May 17, 1997, 7:00 PM CDT (00:00 UTC)
Expired: May 18, 1997, 1:00 AM CDT
In force: 6 hr
Issued by: the Storm Prediction Center

All 41 counties

Anderson County, KS, Atchison County, KS, Brown County, KS, Chase County, KS, Coffey County, KS, Doniphan County, KS, Douglas County, KS, Franklin County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Linn County, KS, Lyon County, KS, Miami County, KS, Nemaha County, KS, Osage County, KS, Shawnee County, KS, Wabaunsee County, KS, Wyandotte County, KS, Bates County, MO, Benton County, MO, Buchanan County, MO, Caldwell County, MO, Carroll County, MO, Cass County, MO, Chariton County, MO, Clay County, MO, Clinton County, MO, Henry County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Pettis County, MO, Platte County, MO, Ray County, MO, Saline County, MO, St. Clair County, MO

The radar

The Pleasant Hill radar (KEAX), 74 km from the middle of the area, began a volume at 00:19 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

31 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
May 17, 7:13 PM CDT	Severe Thunderstorm Warning	TOP	Osage	47 min
May 17, 7:15 PM CDT	Severe Thunderstorm Warning	EAX	Miami	60 min
May 17, 7:34 PM CDT	Severe Thunderstorm Warning	TOP	Shawnee	61 min
May 17, 7:40 PM CDT	Severe Thunderstorm Warning	EAX	Johnson	60 min
May 17, 7:54 PM CDT	Tornado Warning	EAX	Miami	36 min
May 17, 7:58 PM CDT	Severe Thunderstorm Warning	TOP	Douglas, Osage	62 min
May 17, 7:59 PM CDT	Severe Thunderstorm Warning	SGF	Benton	51 min
May 17, 8:06 PM CDT	Severe Thunderstorm Warning	TOP	Franklin	44 min
May 17, 8:16 PM CDT	Severe Thunderstorm Warning	EAX	Cass	59 min
May 17, 8:24 PM CDT	Severe Thunderstorm Warning	EAX	Johnson	66 min
May 17, 8:30 PM CDT	Severe Thunderstorm Warning	EAX	Miami	45 min
May 17, 8:35 PM CDT	Severe Thunderstorm Warning	TOP	Jefferson	50 min
May 17, 8:41 PM CDT	Severe Thunderstorm Warning	EAX	Johnson, Leavenworth, Wyandotte	64 min
May 17, 8:42 PM CDT	Severe Thunderstorm Warning	TOP	Nemaha	48 min
May 17, 8:48 PM CDT	Severe Thunderstorm Warning	EAX	Henry	42 min
May 17, 8:49 PM CDT	Severe Thunderstorm Warning	SGF	Benton	51 min
May 17, 9:10 PM CDT	Severe Thunderstorm Warning	EAX	Miami	50 min
May 17, 9:17 PM CDT	Severe Thunderstorm Warning	EAX	Johnson, Lafayette	58 min
May 17, 9:20 PM CDT	Severe Thunderstorm Warning	TOP	Anderson	45 min
May 17, 9:34 PM CDT	Severe Thunderstorm Warning	EAX	Jackson	41 min
May 17, 9:40 PM CDT	Severe Thunderstorm Warning	SGF	Benton	35 min
May 17, 9:44 PM CDT	Severe Thunderstorm Warning	EAX	Linn	31 min
May 17, 9:45 PM CDT	Flash Flood Warning	EAX	Miami	4 hr
May 17, 9:51 PM CDT	Severe Thunderstorm Warning	EAX	Pettis	54 min
May 17, 10:00 PM CDT	Severe Thunderstorm Warning	EAX	Bates	60 min
May 17, 10:03 PM CDT	Severe Thunderstorm Warning	TOP	Anderson	32 min
May 17, 10:10 PM CDT	Flash Flood Warning	SGF	Benton	4 hr
May 17, 10:13 PM CDT	Severe Thunderstorm Warning	EAX	Linn	47 min
May 17, 10:32 PM CDT	Flash Flood Warning	EAX	Linn	4 hr
May 17, 10:49 PM CDT	Severe Thunderstorm Warning	SGF	St. Clair, Vernon	66 min
May 17, 11:35 PM CDT	Severe Thunderstorm Warning	SGF	Benton, Hickory	45 min

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 0.0 hours before the alert went out and 53 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 647 J/kg
Mixed-layer CIN: -131 J/kg
Mixed-layer LCL: 2220 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 53 m²/s²
0-3 km storm-relative helicity: 290 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 9.9

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 17, 10:00 PM CDT	Severe Thunderstorm Watch	SPC	Allen, Anderson, Bourbon, Crawford, Douglas, Franklin and 7 more	6 hr
May 18, 5:30 PM CDT	Severe Thunderstorm Watch	SPC	Allen, Anderson, Atchison, Barber, Bourbon, Brown and 39 more	7 hr

Nearby

Severe Thunderstorm Watches in Missouri, 1997 Severe Thunderstorm Watches in Kansas, 1997 Every severe thunderstorm watch in 1997

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.