IP1 2006 Case Event Summary

 

Date

Event

Radar

Elevation

Time (UTC)

 

05/31 - 06/01

Slow-moving cold front; squall line

KRSP

-2.5

00 - 12 (06/01)

12 - 12 (06/02)

KLWE

0.0

00 - 06, 19-22

(06/01)

 

06/05-06/06

Frontal passage; scattered light showers

KRSP

0.0

22-13 (05-06)

 

 

06/12

Stalled front drifting south; scattered thundershowers

KRSP

-3.5

15-12 (12-13)

KLWE

0.0

21-12 (12-13)

KCYR

-3.5

15-12 (12-13)

 

06/16-06/17

Cold front, line of thunderstorms, with the strongest cells north of IP1.

KRSP

-.76, -.8,

-8.8, 10, 11

7 UTC (06/17)

KLWE

1.38,13.13, 14.13

14-10 (16-17)

KCYR

12.5

7 UTC (06/17)

 

06/21-06/24

06/22- Area of thunderstorms, showers moving south through IP1, along and ahead of a stalled frontal boundary.

06/23 - Line of storms with frontal boundary.

KRSP

1.0

1, 2, 3

12-16 (06/21);

12 (06/22) - 19 (06/24)

KLWE

1.38

1.38, 2.38, 3.38

12-16 (06/21);

12-19 (06/22-06/24)

KCYR

1.0

2UTC (06/23) -

19UTC (06/24)

 

07/04-07/05

Scattered afternoon thundershowers associated with slow moving front.

KRSP

0.0

0, 2, 3, 4

19 (07/04) -

15 (07/05)

KLWE

0.0

0, 3

19 (07/04) - 15 (07/05)

 

07/10-07/14

Trough of low pressure.

07/10 - 07/11: Scattered t-storms and squall line.

 

07/12-07/14: Few scattered showers, t-storms, mostly to the north and east of IP1.

KRSP

7.0;

3, 4, 7;

 

0, 1, 3, 4, 7

00-00 (10-11);

00-02, 06 (12,13)

22 (13) -

12 (15)

KLWE

6.0;

4.0;

14-00 (10-11)

00-12 (12)

 

KCYR

7.0

 

 

 

1.0

12 (07/10) - 06 (07/11)

12 (07/12) - 06 (07/13);

06 UTC (07/14)

 

07/21-07/22

East-west line of showers along southward drifting front.

KRSP

0, 1, 3, 4

21 (07/21) -15 (7/22)

 

07/27-07/28

Convection along stalled frontal boundary.

Some distinct, embedded convective cells.

KRSP

3, 4, 7

22 - 10 (27-28)

23 - 00 (28-29)

KCYR

7.0

(Kdp only)

22 (07/27) - 17 (07/28)

 

08/03

Northward moving cells along retreating frontal boundary.

KRSP

3, 4, 6, 8, 11, 14

12-21 UTC

KSAO

3, 4, 6, 8, 11, 14

12-21 UTC

 

08/07-08/08

Stalled front to the north, dryline to the west. Few, isolated popcorn showers.

KCYR

4.0;

3.0

21-24 (08/07)

12-15, 22-02 (08-09)

KSAO

4.0

21-24 (08/07)

 

08/14-08/17

A cold front stalls and then retreats north.

08/14: Convection along old outflow boundary.

08/15: Several isolated, strong cells in IP1.

08/16-08/17: Scattered showers and thunder-storms.

KRSP

3, 4

00-02 (08/15);

14-04 (15-16)

20-24 (08/16)

KCYR

0, 3, 4

00-02 (08/15)

13-13 (15-16);

20-24 (08/16)

KSAO

0, 3, 4, 6, 8, 11, 14

00 (08/15) - 13 (08/16);

20-24 (08/16)

 

08/19-08/23

A stalled boundary along the Red River.

08/19-08/20: Outflow boundary, showers

08/21: Light rain

08/22-08/23: Mod rain, scattered thunderstorms

KRSP

3, 4

 

(RhoHV)

2-5 (08/22);

14-24 (08/22)

21-24 (08/23)

KCYR

3, 4

00 (08/20) - 24 (08/22);

21-04 (23-24)

KSAO

0, 1, 3, 4

17-24 (08/22)

 

08/26-08/28

Line of strong storms evolves to an area of stratiform precip, followed by several more lines of convection.

KRSP

3, 4

22-03 (26-27)

21-03 (27-28)

19-24 (28)

KCYR

3, 4

23-03 (26-28)

19-24 (28)

KSAO

3, 4

22-09 (26-27)

13-17 (27)

19-24 (28)

 

09/10-09/11

Frontal passage.

MCS from KS moves SE across IP1.

KRSP

0.0

16-18 (09/10)

KCYR

1.0

01-19 (09/11)

KSAO

0.5, 1.5, 2.0

01-17 (09/11)

 

09/17

Several lines of convection merge over the test bed.

KRSP

0.0, 0.5, 1.0, 1.5, 2.0

14-15

KSAO

0, 1

18-22

 

09/20-09/23

Strong, occluding low pressure system moved E across KS. 09/21: Line of convection, precip area across IP1.

09/22-09/23: Very light rain across IP1.

KRSP

3, 4, 6, 8, 11, 14

19-21 (20), 4-17, 20-22 (21)

KCYR

1, 3, 4, 6, 8, 11, 14

20-22 (20-21)

03-12 (23)

KSAO

0, 1, 3, 4, 6, 7, 8, 9, 11, 14

13-16, 21 (21)

13-16 (22-23)

 

 

11/05

Trough of low pressure.

Several broken lines of convection and heavy rain.

KRSP

0, 0.5, 1.0, 1.5, 2, 3, 4, 5, 6, 7, 10

20-12 (05-06)

KLWE

0, 0.5, 1.0, 1.5, 2, 3, 4

21-02 (05-06)

 

11/12-11/14

Classic cold frontal passage, followed by a second trough of low pressure and weak squall line.

KRSP

0.5, 1.0, 1.5, 2, 3, 4, 5, 6, 7, 10

00-04 (13)

21-11 (14-15)

KLWE

2.0

00-04 (13)

KCYR

1.0, 3.0

22-07 (14-15)

 

11/27

Stalled frontal boundary.

Few isolated cells, followed by a strong squall line exhibiting a classic bow echo structure.

KRSP

1, 3, 5, 7, 9, 11

12-12 (27-28)

KLWE

1, 3, 5, 7, 9, 11

08-12 (28)

KCYR

1, 3, 5, 7, 9, 11

12-12 (27-28)

 

11/29-11/30

Cold frontal passage, with significant sleet, freezing rain

KRSP

1, 3, 5, 7, 9, 11

12-12 (11/29-12/01)

KLWE

1, 3, 5, 7, 9, 11

12-01 (11/29-12/01)

KCYR

1, 3, 5, 7, 9, 11

12-12 (11/29-12/01)

 

12/19-12/20

Developing low pressure system; stratiform, convection moving north; thin squall line moving east.

KRSP

1, 3

21-08 (19-20)

14-11 (20-21)

 

12/29

Strong low pressure in TX panhandle; bands of precip, convection moving N and E.

KRSP

0, 1, 2, 3, 5, 7, 9, 11

22-08 (29-30)

KLWE

1, 3, 5, 7, 9, 11

21-12 (29-30)