Alert archive / Nebraska / Tornado Watches in 1998

Tornado Watch 571

June 13, 19984 states

The Storm Prediction Center issued this tornado watch at Jun 13, 1998, 8:05 PM CDT for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Jun 13, 1998, 8:05 PM CDT (01:05 UTC)
Expired: Jun 14, 1998, 2:00 AM CDT
In force: 6 hr
Issued by: the Storm Prediction Center

All 75 counties

Adair County, IA, Adams County, IA, Cass County, IA, Fremont County, IA, Mills County, IA, Montgomery County, IA, Page County, IA, Pottawattamie County, IA, Ringgold County, IA, Taylor County, IA, Union County, IA, Atchison County, KS, Brown County, KS, Doniphan County, KS, Jewell County, KS, Marshall County, KS, Nemaha County, KS, Republic County, KS, Smith County, KS, Washington County, KS, Andrew County, MO, Atchison County, MO, Buchanan County, MO, Clinton County, MO, DeKalb County, MO, Gentry County, MO, Holt County, MO, Nodaway County, MO, Platte County, MO, Worth County, MO, Adams County, NE, Boone County, NE, Buffalo County, NE, Butler County, NE, Cass County, NE, Clay County, NE, Colfax County, NE, Custer County, NE, Dawson County, NE, Dodge County, NE, Douglas County, NE, Fillmore County, NE, Franklin County, NE, Furnas County, NE, Gage County, NE, Gosper County, NE, Greeley County, NE, Hall County, NE, Hamilton County, NE, Harlan County, NE, Howard County, NE, Jefferson County, NE, Johnson County, NE, Kearney County, NE, Lancaster County, NE, Merrick County, NE, Nance County, NE, Nemaha County, NE, Nuckolls County, NE, Otoe County, NE, Pawnee County, NE, Phelps County, NE, Platte County, NE, Polk County, NE, Richardson County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Sherman County, NE, Thayer County, NE, Valley County, NE, Washington County, NE, Webster County, NE, York County, NE

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Jun 13, 8:06 PM CDT	Severe Thunderstorm Warning	GID	Merrick, Nance	54 min
Jun 13, 8:12 PM CDT	Tornado Warning	GID	Adams, Webster	48 min
Jun 13, 8:16 PM CDT	Tornado Warning	TOP	Nemaha	29 min
Jun 13, 8:33 PM CDT	Severe Thunderstorm Warning	GID	Polk	47 min
Jun 13, 8:33 PM CDT	Severe Thunderstorm Warning	OAX	Nemaha, Richardson	47 min
Jun 13, 8:37 PM CDT	Severe Thunderstorm Warning	GID	Clay, Hamilton	63 min
Jun 13, 8:40 PM CDT	Severe Thunderstorm Warning	OAX	Platte	50 min
Jun 13, 8:48 PM CDT	Tornado Warning	TOP	Brown	37 min
Jun 13, 8:57 PM CDT	Severe Thunderstorm Warning	EAX	Holt	33 min
Jun 13, 9:10 PM CDT	Tornado Warning	EAX	Doniphan	35 min
Jun 13, 9:10 PM CDT	Tornado Warning	OAX	Richardson	35 min
Jun 13, 9:26 PM CDT	Severe Thunderstorm Warning	GID	Hamilton	34 min
Jun 13, 9:37 PM CDT	Severe Thunderstorm Warning	GID	Clay	33 min
Jun 13, 9:38 PM CDT	Tornado Warning	OAX	Pawnee	32 min
Jun 13, 9:44 PM CDT	Tornado Warning	TOP	Marshall, Nemaha	46 min
Jun 13, 9:47 PM CDT	Severe Thunderstorm Warning	GID	Fillmore	63 min
Jun 13, 9:54 PM CDT	Severe Thunderstorm Warning	GID	York	66 min
Jun 13, 9:58 PM CDT	Severe Thunderstorm Warning	OAX	Saline, Seward	47 min
Jun 13, 10:03 PM CDT	Tornado Warning	GID	Fillmore	57 min
Jun 13, 10:13 PM CDT	Severe Thunderstorm Warning	OAX	Richardson	47 min
Jun 13, 10:24 PM CDT	Tornado Warning	TOP	Brown	46 min
Jun 13, 10:26 PM CDT	Tornado Warning	OAX	Jefferson, Saline	49 min
Jun 13, 11:02 PM CDT	Tornado Warning	EAX	Doniphan	28 min
Jun 13, 11:10 PM CDT	Severe Thunderstorm Warning	OAX	Fremont	50 min
Jun 13, 11:23 PM CDT	Severe Thunderstorm Warning	OAX	Gage, Lancaster	47 min
Jun 13, 11:27 PM CDT	Severe Thunderstorm Warning	GID	Hall, Merrick	48 min
Jun 13, 11:43 PM CDT	Severe Thunderstorm Warning	OAX	Johnson, Otoe	62 min
Jun 13, 11:43 PM CDT	Severe Thunderstorm Warning	OAX	Cass	62 min
Jun 13, 11:58 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, Buchanan	32 min
Jun 14, 12:03 AM CDT	Severe Thunderstorm Warning	GID	Hamilton, Merrick	42 min
Jun 14, 12:05 AM CDT	Severe Thunderstorm Warning	EAX	Clinton, DeKalb	40 min
Jun 14, 12:06 AM CDT	Severe Thunderstorm Warning	GID	Buffalo, Sherman	64 min
Jun 14, 12:30 AM CDT	Severe Thunderstorm Warning	GID	Hall, Howard	65 min
Jun 14, 12:43 AM CDT	Severe Thunderstorm Warning	EAX	Clinton	32 min
Jun 14, 12:56 AM CDT	Flash Flood Warning	OAX	Nemaha	3 hr
Jun 14, 12:56 AM CDT	Flash Flood Warning	OAX	Cass, Otoe	3 hr
Jun 14, 12:57 AM CDT	Severe Thunderstorm Warning	GID	Adams	63 min
Jun 14, 1:10 AM CDT	Severe Thunderstorm Warning	DMX	Adams, Taylor	35 min
Jun 14, 1:10 AM CDT	Severe Thunderstorm Warning	OAX	Montgomery, Page	45 min
Jun 14, 1:42 AM CDT	Severe Thunderstorm Warning	DMX	Adams, Taylor	33 min

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 1.1 hours before the alert went out and 115 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: 382 J/kg
Mixed-layer CIN: -388 J/kg
Mixed-layer LCL: 1731 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 120 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

047 
WWUS9 KMKC 140042
SEL1  
MKC WW 140042
IAZ000-MOZ000-NEZ000-140700-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 571
STORM PREDICTION CENTER NORMAN OK
742 PM CDT SAT JUN 13 1998

THE STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

   SOUTHWEST IOWA                               
   NORTHWEST MISSOURI                           
   CENTRAL AND EASTERN NEBRASKA                           

EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 805 PM UNTIL
200 AM CDT.

TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 70 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 40 MILES SOUTH SOUTHWEST OF BROKEN BOW
NEBRASKA TO 80 MILES EAST NORTHEAST OF FALLS CITY NEBRASKA.

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...THIS TORNADO WATCH REPLACES TORNADO WATCH
NUMBER 566...TORNADO WATCH NUMBER 569.  WATCH NUMBER 566...569 WILL
NOT BE IN EFFECT AFTER 805 PM CDT.  CONTINUE...WW 565...WW 567...WW
568...WW 570...

DISCUSSION...THREAT FOR SUPERCELLS AND ISOLATED TORNADOES SHOULD
SPREAD EASTWARD INTO ERN NEB/WRN IA/NW MO THIS EVENING AS STRONG
UPPER TROUGH MOVES TOWARD THE MO VALLEY. 

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. 
MEAN STORM MOTION VECTOR 27030.


...VESCIO

415,0995 411,0940 391,0940 395,0995

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 14, 1:15 AM CDT	Tornado Watch	SPC	Adams, Appanoose, Davis, Decatur, Fremont, Mills and 6 more	6 hr
Jun 14, 2:00 PM CDT	Tornado Watch	SPC	Benton, Cedar, Clinton, Davis, Des Moines, Henry and 21 more	6 hr
Jun 13, 9:30 PM CDT	Tornado Watch	SPC	Chautauqua, Cherokee, Labette, Montgomery	6 hr
Jun 14, 2:30 AM CDT	Severe Thunderstorm Watch	SPC	Butler, Dunklin, Mississippi, New Madrid, Pemiscot, Ripley and 1 more	7 hr
Jun 14, 6:45 AM CDT	Severe Thunderstorm Watch	SPC	Bollinger, Cape Girardeau, Crawford, Dent, Franklin, Iron and 14 more	6 hr
Jun 14, 3:00 PM CDT	Tornado Watch	SPC	Bollinger, Butler, Cape Girardeau, Iron, Jefferson, Lincoln and 15 more	7 hr
Jun 14, 4:00 PM CDT	Tornado Watch	SPC	Dunklin, New Madrid, Pemiscot	6 hr

Nearby

Tornado Watches in Nebraska, 1998 Tornado Watches in Iowa, 1998 Tornado Watches in Missouri, 1998 Every tornado watch in 1998

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.