Alert archive / Arkansas / Tornado Watches in 1998

Tornado Watch 297

May 6, 199832 counties in Arkansas; 13 counties in Missouri; 20 counties in Oklahoma

The Storm Prediction Center issued this tornado watch at May 6, 1998, 8:00 PM CDT for 32 counties in Arkansas; 13 counties in Missouri; 20 counties in Oklahoma. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: May 6, 1998, 8:00 PM CDT (01:00 UTC)
Expired: May 7, 1998, 2:00 AM CDT
In force: 6 hr
Issued by: the Storm Prediction Center

All 65 counties

Baxter County, AR, Benton County, AR, Boone County, AR, Carroll County, AR, Cleburne County, AR, Conway County, AR, Crawford County, AR, Faulkner County, AR, Franklin County, AR, Fulton County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Johnson County, AR, Lawrence County, AR, Logan County, AR, Madison County, AR, Marion County, AR, Newton County, AR, Perry County, AR, Pope County, AR, Randolph County, AR, Scott County, AR, Searcy County, AR, Sebastian County, AR, Sharp County, AR, Stone County, AR, Van Buren County, AR, Washington County, AR, White County, AR, Woodruff County, AR, Yell County, AR, Barry County, MO, Carter County, MO, Christian County, MO, Douglas County, MO, Howell County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Oregon County, MO, Ozark County, MO, Shannon County, MO, Stone County, MO, Taney County, MO, Adair County, OK, Cherokee County, OK, Craig County, OK, Delaware County, OK, Haskell County, OK, Hughes County, OK, Latimer County, OK, LeFlore County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Nowata County, OK, Okmulgee County, OK, Ottawa County, OK, Pittsburg County, OK, Rogers County, OK, Sequoyah County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK

The radar

The Western Arkansas radar (KSRX), 105 km from the middle of the area, began a volume at 01:02 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

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

Issued	Product	Office	Counties	Lasted
May 6, 8:01 PM CDT	Tornado Warning	TSA	Washington	44 min
May 6, 8:05 PM CDT	Tornado Warning	TSA	Adair	25 min
May 6, 8:09 PM CDT	Tornado Warning	TSA	Haskell	36 min
May 6, 8:12 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee, Okmulgee	33 min
May 6, 8:15 PM CDT	Tornado Warning	TSA	Crawford	45 min
May 6, 8:18 PM CDT	Tornado Warning	SGF	Ozark	37 min
May 6, 8:18 PM CDT	Tornado Warning	TSA	LeFlore	42 min
May 6, 8:25 PM CDT	Severe Thunderstorm Warning	TSA	Carroll, Madison	50 min
May 6, 8:30 PM CDT	Tornado Warning	TSA	Pittsburg	45 min
May 6, 8:34 PM CDT	Tornado Warning	TSA	Muskogee	26 min
May 6, 8:40 PM CDT	Severe Thunderstorm Warning	TSA	Sebastian	65 min
May 6, 8:45 PM CDT	Severe Thunderstorm Warning	TSA	Crawford, Franklin	45 min
May 6, 8:52 PM CDT	Tornado Warning	TSA	Sebastian	38 min
May 6, 8:55 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Ozark	65 min
May 6, 8:56 PM CDT	Tornado Warning	TSA	LeFlore	34 min
May 6, 8:57 PM CDT	Severe Thunderstorm Warning	LZK	Boone	48 min
May 6, 9:01 PM CDT	Severe Thunderstorm Warning	LZK	Scott	64 min
May 6, 9:03 PM CDT	Severe Thunderstorm Warning	LZK	Marion	47 min
May 6, 9:19 PM CDT	Severe Thunderstorm Warning	LZK	Johnson	46 min
May 6, 9:20 PM CDT	Severe Thunderstorm Warning	LZK	Baxter	50 min
May 6, 9:28 PM CDT	Tornado Warning	LZK	Scott	47 min
May 6, 9:30 PM CDT	Severe Thunderstorm Warning	LZK	Fulton	65 min
May 6, 9:46 PM CDT	Tornado Warning	LZK	Fulton	49 min
May 6, 9:47 PM CDT	Severe Thunderstorm Warning	TSA	Crawford	43 min
May 6, 9:49 PM CDT	Severe Thunderstorm Warning	MEG	Lawrence, Randolph	36 min
May 6, 9:56 PM CDT	Severe Thunderstorm Warning	LZK	Johnson, Logan, Pope	64 min
May 6, 9:56 PM CDT	Severe Thunderstorm Warning	LZK	Yell	64 min
May 6, 9:58 PM CDT	Tornado Warning	LZK	Yell	47 min
May 6, 10:25 PM CDT	Tornado Warning	LZK	Pope	50 min
May 6, 10:28 PM CDT	Severe Thunderstorm Warning	MEG	Randolph	47 min
May 6, 10:34 PM CDT	Severe Thunderstorm Warning	LZK	Conway	51 min
May 6, 10:44 PM CDT	Tornado Warning	LZK	Garland, Perry, Saline	36 min
May 6, 11:04 PM CDT	Tornado Warning	LZK	Conway	36 min
May 6, 11:12 PM CDT	Severe Thunderstorm Warning	LZK	Sharp	48 min
May 6, 11:17 PM CDT	Tornado Warning	LZK	Faulkner	48 min
May 6, 11:17 PM CDT	Severe Thunderstorm Warning	MEG	Lawrence	48 min
May 7, 12:33 AM CDT	Severe Thunderstorm Warning	LZK	White	62 min
May 7, 12:37 AM CDT	Severe Thunderstorm Warning	LZK	Faulkner	33 min
May 7, 12:56 AM CDT	Severe Thunderstorm Warning	LZK	Jackson	34 min

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 1.0 hours before the alert went out and 81 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: 1358 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 1166 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 26 m²/s²
0-3 km storm-relative helicity: 178 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 2.9

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 6, 10:15 PM CDT	Tornado Watch	SPC	Clay, Craighead, Crittenden, Cross, Greene, Mississippi and 1 more	6 hr
May 7, 12:45 AM CDT	Tornado Watch	SPC	Arkansas, Bradley, Calhoun, Chicot, Cleveland, Conway and 17 more	6 hr

Nearby

Tornado Watches in Arkansas, 1998 Tornado Watches in Oklahoma, 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; radar from the NEXRAD Level II archive.