Alert archive / Arkansas / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 360, NWS Tulsa, OK

June 1, 1999Carroll County, Madison County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Jun 1, 1999, 9:56 PM CDT for Carroll County, Madison County, Arkansas. It was in force for 49 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jun 1, 1999, 9:56 PM CDT (02:56 UTC)
Expired: Jun 1, 1999, 10:45 PM CDT
In force: 49 min
Issued by: NWS Tulsa, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Carroll County, AR, Madison County, AR

What was reported inside it

Time	Report	Where	Remark
Jun 1, 10:00 PM CDT	Hail 0.75	Kingston, AR

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 1, 3:45 PM CDT	Tornado Watch	SPC	6 hr
Jun 1, 9:45 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 2.9 hours before the alert went out and 82 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: 1899 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 928 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 95 m²/s²
0-3 km storm-relative helicity: 173 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 6.5

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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 1, 9:10 PM CDT, 46 minutes earlier.

Area forecast discussion, Jun 1, 9:10 PM CDT, 46 minutes before

EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
910 PM CDT TUE JUN 1 1999

JUST SENT OUT A QUICK UPDATE TO REMOVE TORNADO WATCH HEADLINES AND
MENTION OF SEVERE IN ZONES WHERE THE TORNADO WATCH HAS BEEN
CANCELLED.  ALSO DID A QUICK REVAMP OF POPS TO MATCH CURRENT RADAR
TRENDS.  A MORE THOROUGH UPDATE WILL BE FORTHCOMING WHEN THE CURRENT
TORNADO WATCHES EXPIRE AT 10 PM.

FCSTID = 19

.TUL...
AR...NONE.

OK...NONE.

In the hours before

Local storm report, Jun 1, 9:35 PM CDT, 21 minutes before

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Local storm report, Jun 1, 9:35 PM CDT, 21 minutes before

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Local storm report, Jun 1, 9:47 PM CDT, 9 minutes before

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Local storm report, Jun 1, 9:47 PM CDT, 9 minutes before

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Local storm report, Jun 1, 9:55 PM CDT, 1 minute before

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Local storm report, Jun 1, 9:55 PM CDT, 1 minute before

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The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 1, 7:04 PM CDT	Tornado Warning	TSA	Haskell, McIntosh, Muskogee	41 min
Jun 1, 7:12 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	48 min
Jun 1, 7:21 PM CDT	Severe Thunderstorm Warning	TSA	Sequoyah	39 min
Jun 1, 7:27 PM CDT	Tornado Warning	TSA	Pittsburg	33 min
Jun 1, 7:40 PM CDT	Tornado Warning	TSA	Haskell, McIntosh, Muskogee	50 min
Jun 1, 7:47 PM CDT	Severe Thunderstorm Warning	TSA	Sequoyah	58 min
Jun 1, 7:47 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	58 min
Jun 1, 8:26 PM CDT	Tornado Warning	TSA	Haskell, Latimer, Pittsburg	49 min
Jun 1, 8:41 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	49 min
Jun 1, 8:44 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw	46 min
Jun 1, 9:16 PM CDT	Tornado Warning	TSA	Latimer	29 min
Jun 1, 9:26 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	49 min
Jun 1, 9:31 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw	44 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1999 Every severe thunderstorm warning in 1999

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.